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157354345 = 531470869
BaseRepresentation
bin10010110000100…
…00100101101001
3101222002102120201
421120100211221
5310240314340
623340352201
73620330011
oct1130204551
9358072521
10157354345
1180905715
1244845661
13267a54a5
1416c80c41
15dc3379a
hex9610969

157354345 has 4 divisors (see below), whose sum is σ = 188825220. Its totient is φ = 125883472.

The previous prime is 157354343. The next prime is 157354369. The reversal of 157354345 is 543453751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45333289 + 112021056 = 6733^2 + 10584^2 .

It is a cyclic number.

It is not a de Polignac number, because 157354345 - 21 = 157354343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157354343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15735430 + ... + 15735439.

It is an arithmetic number, because the mean of its divisors is an integer number (47206305).

Almost surely, 2157354345 is an apocalyptic number.

It is an amenable number.

157354345 is a deficient number, since it is larger than the sum of its proper divisors (31470875).

157354345 is an equidigital number, since it uses as much as digits as its factorization.

157354345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31470874.

The product of its digits is 126000, while the sum is 37.

The square root of 157354345 is about 12544.0960216350. The cubic root of 157354345 is about 539.8746222408.

The spelling of 157354345 in words is "one hundred fifty-seven million, three hundred fifty-four thousand, three hundred forty-five".

Divisors: 1 5 31470869 157354345