345538044 has 36 divisors (see below), whose sum is σ = 880332544. Its totient is φ = 114270912.

The previous prime is 345538033. The next prime is 345538087. The reversal of 345538044 is 440835543.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33217 + ... + 42360.

Almost surely, 2^345538044 is an apocalyptic number.

It is an amenable number.

345538044 is an abundant number, since it is smaller than the sum of its proper divisors (534794500).

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

345538044 is a wasteful number, since it uses less digits than its factorization.

345538044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75714 (or 75709 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 345538044 is about 18588.6536360222. The cubic root of 345538044 is about 701.7223193772.

The spelling of 345538044 in words is "three hundred forty-five million, five hundred thirty-eight thousand, forty-four".