252430212154 has 8 divisors (see below), whose sum is σ = 382119128820. Its totient is φ = 125057169216.

The previous prime is 252430212149. The next prime is 252430212161. The reversal of 252430212154 is 451212034252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 243132817225 + 9297394929 = 493085^2 + 96423^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×252430212154² (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, 578968159 + ... + 578968594.

Almost surely, 2^252430212154 is an apocalyptic number.

252430212154 is a deficient number, since it is larger than the sum of its proper divisors (129688916666).

252430212154 is a wasteful number, since it uses less digits than its factorization.

252430212154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157936864.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 252430212154 in words is "two hundred fifty-two billion, four hundred thirty million, two hundred twelve thousand, one hundred fifty-four".