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141643045 = 5157180437
BaseRepresentation
bin10000111000101…
…00110100100101
3100212112012201201
420130110310211
5242230034140
622015522501
73336642325
oct1034246445
9325465651
10141643045
1172a54575
123b529431
132346416b
1414b51285
15c67d49a
hex8714d25

141643045 has 8 divisors (see below), whose sum is σ = 171055224. Its totient is φ = 112592064.

The previous prime is 141643009. The next prime is 141643049. The reversal of 141643045 is 540346141.

It can be written as a sum of positive squares in 4 ways, for example, as 5943844 + 135699201 = 2438^2 + 11649^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 141643045 - 211 = 141640997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141643049) 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, 89434 + ... + 91003.

It is an arithmetic number, because the mean of its divisors is an integer number (21381903).

Almost surely, 2141643045 is an apocalyptic number.

It is an amenable number.

141643045 is a deficient number, since it is larger than the sum of its proper divisors (29412179).

141643045 is a wasteful number, since it uses less digits than its factorization.

141643045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180599.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 141643045 is about 11901.3883643884. The cubic root of 141643045 is about 521.2728249604.

Adding to 141643045 its reverse (540346141), we get a palindrome (681989186).

The spelling of 141643045 in words is "one hundred forty-one million, six hundred forty-three thousand, forty-five".

Divisors: 1 5 157 785 180437 902185 28328609 141643045