345146590 has 32 divisors (see below), whose sum is σ = 654948000. Its totient is φ = 130595328.

The previous prime is 345146573. The next prime is 345146621. The reversal of 345146590 is 95641543.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213706 + ... + 215314.

It is an arithmetic number, because the mean of its divisors is an integer number (20467125).

Almost surely, 2^345146590 is an apocalyptic number.

345146590 is a deficient number, since it is larger than the sum of its proper divisors (309801410).

345146590 is a wasteful number, since it uses less digits than its factorization.

345146590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 345146590 is about 18578.1212720770. The cubic root of 345146590 is about 701.4572296037.

The spelling of 345146590 in words is "three hundred forty-five million, one hundred forty-six thousand, five hundred ninety".