252151142 has 8 divisors (see below), whose sum is σ = 378426432. Its totient is φ = 126009000.

The previous prime is 252151111. The next prime is 252151177. The reversal of 252151142 is 241151252.

252151142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 28409 + ... + 36212.

It is an arithmetic number, because the mean of its divisors is an integer number (47303304).

Almost surely, 2^252151142 is an apocalyptic number.

252151142 is a deficient number, since it is larger than the sum of its proper divisors (126275290).

252151142 is a wasteful number, since it uses less digits than its factorization.

252151142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66574.

The product of its digits is 800, while the sum is 23.

The square root of 252151142 is about 15879.2676783282. The cubic root of 252151142 is about 631.7622132611.

The spelling of 252151142 in words is "two hundred fifty-two million, one hundred fifty-one thousand, one hundred forty-two".