151311642 has 8 divisors (see below), whose sum is σ = 302623296. Its totient is φ = 50437212.

The previous prime is 151311637. The next prime is 151311673. The reversal of 151311642 is 246113151.

It is a happy number.

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

151311642 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12609298 + ... + 12609309.

It is an arithmetic number, because the mean of its divisors is an integer number (37827912).

Almost surely, 2^151311642 is an apocalyptic number.

151311642 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.

151311642 is a wasteful number, since it uses less digits than its factorization.

151311642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25218612.

The product of its digits is 720, while the sum is 24.

The square root of 151311642 is about 12300.8797246376. The cubic root of 151311642 is about 532.8734896579.

Adding to 151311642 its reverse (246113151), we get a palindrome (397424793).

The spelling of 151311642 in words is "one hundred fifty-one million, three hundred eleven thousand, six hundred forty-two".