929145231 has 12 divisors (see below), whose sum is σ = 1533827152. Its totient is φ = 530940096.

The previous prime is 929145197. The next prime is 929145271. The reversal of 929145231 is 132541929.

929145231 is a `hidden beast` number, since 92 + 91 + 452 + 31 = 666.

It is not a de Polignac number, because 929145231 - 2⁶ = 929145167 is a prime.

It is a super-2 number, since 2×929145231² = 1726621720580086722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (929145271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7374106 + ... + 7374231.

Almost surely, 2^929145231 is an apocalyptic number.

929145231 is a deficient number, since it is larger than the sum of its proper divisors (604681921).

929145231 is a wasteful number, since it uses less digits than its factorization.

929145231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14748350 (or 14748347 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 929145231 is about 30481.8836524254. The cubic root of 929145231 is about 975.8008693983.

The spelling of 929145231 in words is "nine hundred twenty-nine million, one hundred forty-five thousand, two hundred thirty-one".