252774142 has 8 divisors (see below), whose sum is σ = 380038176. Its totient is φ = 126094752.

The previous prime is 252774101. The next prime is 252774199. The reversal of 252774142 is 241477252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252774098 and 252774107.

It is a congruent number.

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, 145078 + ... + 146809.

It is an arithmetic number, because the mean of its divisors is an integer number (47504772).

Almost surely, 2^252774142 is an apocalyptic number.

252774142 is a deficient number, since it is larger than the sum of its proper divisors (127264034).

252774142 is a wasteful number, since it uses less digits than its factorization.

252774142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292322.

The product of its digits is 31360, while the sum is 34.

The square root of 252774142 is about 15898.8723499499. The cubic root of 252774142 is about 632.2820921306.

The spelling of 252774142 in words is "two hundred fifty-two million, seven hundred seventy-four thousand, one hundred forty-two".