345146432 has 28 divisors (see below), whose sum is σ = 687407820. Its totient is φ = 171941376.

The previous prime is 345146387. The next prime is 345146437. The reversal of 345146432 is 234641543.

It can be written as a sum of positive squares in 2 ways, for example, as 90935296 + 254211136 = 9536^2 + 15944^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (345146437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7994 + ... + 27462.

Almost surely, 2^345146432 is an apocalyptic number.

345146432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

345146432 is a deficient number, since it is larger than the sum of its proper divisors (342261388).

345146432 is a wasteful number, since it uses less digits than its factorization.

345146432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19758 (or 19748 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 345146432 is about 18578.1170197628. The cubic root of 345146432 is about 701.4571225668.

Adding to 345146432 its reverse (234641543), we get a palindrome (579787975).

The spelling of 345146432 in words is "three hundred forty-five million, one hundred forty-six thousand, four hundred thirty-two".