561214146 has 16 divisors (see below), whose sum is σ = 1122825600. Its totient is φ = 187005168.

The previous prime is 561214133. The next prime is 561214189. The reversal of 561214146 is 641412165.

It is a super-2 number, since 2×561214146² = 629922635341018632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3720 + ... + 33708.

It is an arithmetic number, because the mean of its divisors is an integer number (70176600).

Almost surely, 2^561214146 is an apocalyptic number.

561214146 is an abundant number, since it is smaller than the sum of its proper divisors (561611454).

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

561214146 is a wasteful number, since it uses less digits than its factorization.

561214146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33113.

The product of its digits is 5760, while the sum is 30.

The square root of 561214146 is about 23689.9587589341. The cubic root of 561214146 is about 824.8523254504.

The spelling of 561214146 in words is "five hundred sixty-one million, two hundred fourteen thousand, one hundred forty-six".