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157443045 = 3510496203
BaseRepresentation
bin10010110001001…
…10001111100101
3101222020221020220
421120212033211
5310301134140
623342314553
73621146424
oct1130461745
9358227226
10157443045
1180966321
1244888a59
1326806986
1416ca52bb
15dc4ebd0
hex96263e5

157443045 has 8 divisors (see below), whose sum is σ = 251908896. Its totient is φ = 83969616.

The previous prime is 157443037. The next prime is 157443049. The reversal of 157443045 is 540344751.

157443045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157443045 - 23 = 157443037 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 157442997 and 157443015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157443049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5248087 + ... + 5248116.

It is an arithmetic number, because the mean of its divisors is an integer number (31488612).

Almost surely, 2157443045 is an apocalyptic number.

157443045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157443045 is a deficient number, since it is larger than the sum of its proper divisors (94465851).

157443045 is a wasteful number, since it uses less digits than its factorization.

157443045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496211.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 157443045 is about 12547.6310513180. The cubic root of 157443045 is about 539.9760448907.

Adding to 157443045 its reverse (540344751), we get a palindrome (697787796).

The spelling of 157443045 in words is "one hundred fifty-seven million, four hundred forty-three thousand, forty-five".

Divisors: 1 3 5 15 10496203 31488609 52481015 157443045