345925557 has 12 divisors (see below), whose sum is σ = 500529120. Its totient is φ = 230220648.

The previous prime is 345925549. The next prime is 345925577. The reversal of 345925557 is 755529543.

345925557 is a `hidden beast` number, since 3 + 4 + 5 + 92 + 5 + 557 = 666.

It is not a de Polignac number, because 345925557 - 2³ = 345925549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345925507) by changing a digit.

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, 27457 + ... + 38022.

It is an arithmetic number, because the mean of its divisors is an integer number (41710760).

Almost surely, 2^345925557 is an apocalyptic number.

It is an amenable number.

345925557 is a deficient number, since it is larger than the sum of its proper divisors (154603563).

345925557 is a wasteful number, since it uses less digits than its factorization.

345925557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66072 (or 66069 counting only the distinct ones).

The product of its digits is 945000, while the sum is 45.

The square root of 345925557 is about 18599.0740898573. The cubic root of 345925557 is about 701.9845432105.

The spelling of 345925557 in words is "three hundred forty-five million, nine hundred twenty-five thousand, five hundred fifty-seven".