345545604 has 36 divisors (see below), whose sum is σ = 924844284. Its totient is φ = 108406272.

The previous prime is 345545593. The next prime is 345545633. The reversal of 345545604 is 406545543.

345545604 is a `hidden beast` number, since 3 + 4 + 5 + 5 + 45 + 604 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 286286400 + 59259204 = 16920^2 + 7698^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 281697 + ... + 282920.

It is an arithmetic number, because the mean of its divisors is an integer number (25690119).

Almost surely, 2^345545604 is an apocalyptic number.

345545604 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

345545604 is an abundant number, since it is smaller than the sum of its proper divisors (579298680).

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

345545604 is a wasteful number, since it uses less digits than its factorization.

345545604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564644 (or 564639 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The square root of 345545604 is about 18588.8569847637. The cubic root of 345545604 is about 701.7274369826.

The spelling of 345545604 in words is "three hundred forty-five million, five hundred forty-five thousand, six hundred four".