151257642 has 8 divisors (see below), whose sum is σ = 302515296. Its totient is φ = 50419212.

The previous prime is 151257611. The next prime is 151257737. The reversal of 151257642 is 246752151.

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

151257642 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12604798 + ... + 12604809.

It is an arithmetic number, because the mean of its divisors is an integer number (37814412).

Almost surely, 2^151257642 is an apocalyptic number.

151257642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

151257642 is a wasteful number, since it uses less digits than its factorization.

151257642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25209612.

The product of its digits is 16800, while the sum is 33.

The square root of 151257642 is about 12298.6845638060. The cubic root of 151257642 is about 532.8100916011.

The spelling of 151257642 in words is "one hundred fifty-one million, two hundred fifty-seven thousand, six hundred forty-two".