345552190 has 32 divisors (see below), whose sum is σ = 634539744. Its totient is φ = 135450240.

The previous prime is 345552173. The next prime is 345552191. The reversal of 345552190 is 91255543.

It is a super-2 number, since 2×345552190² = 238812632027592200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345552191) 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, 192477 + ... + 194263.

It is an arithmetic number, because the mean of its divisors is an integer number (19829367).

Almost surely, 2^345552190 is an apocalyptic number.

345552190 is a deficient number, since it is larger than the sum of its proper divisors (288987554).

345552190 is a wasteful number, since it uses less digits than its factorization.

345552190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 345552190 is about 18589.0341330581. The cubic root of 345552190 is about 701.7318951954.

The spelling of 345552190 in words is "three hundred forty-five million, five hundred fifty-two thousand, one hundred ninety".