345536172 has 48 divisors (see below), whose sum is σ = 897093120. Its totient is φ = 115016976.

The previous prime is 345536167. The next prime is 345536179. The reversal of 345536172 is 271635543.

345536172 is a `hidden beast` number, since 3 + 455 + 36 + 172 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (345536179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93993 + ... + 97599.

It is an arithmetic number, because the mean of its divisors is an integer number (18689440).

Almost surely, 2^345536172 is an apocalyptic number.

It is an amenable number.

345536172 is an abundant number, since it is smaller than the sum of its proper divisors (551556948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345536172 is a wasteful number, since it uses less digits than its factorization.

345536172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4507 (or 4499 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 345536172 is about 18588.6032826568. The cubic root of 345536172 is about 701.7210521491.

The spelling of 345536172 in words is "three hundred forty-five million, five hundred thirty-six thousand, one hundred seventy-two".