345186510252 has 12 divisors (see below), whose sum is σ = 805435190616. Its totient is φ = 115062170080.

The previous prime is 345186510241. The next prime is 345186510307. The reversal of 345186510252 is 252015681543.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×345186510252² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14382771249 + ... + 14382771272.

It is an arithmetic number, because the mean of its divisors is an integer number (67119599218).

Almost surely, 2^345186510252 is an apocalyptic number.

It is an amenable number.

345186510252 is an abundant number, since it is smaller than the sum of its proper divisors (460248680364).

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

345186510252 is a wasteful number, since it uses less digits than its factorization.

345186510252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28765542528 (or 28765542526 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 345186510252 in words is "three hundred forty-five billion, one hundred eighty-six million, five hundred ten thousand, two hundred fifty-two".