151311812 has 24 divisors (see below), whose sum is σ = 273363552. Its totient is φ = 73236800.

The previous prime is 151311799. The next prime is 151311817. The reversal of 151311812 is 218113151.

It is not an unprimeable number, because it can be changed into a prime (151311817) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17963 + ... + 25005.

It is an arithmetic number, because the mean of its divisors is an integer number (11390148).

Almost surely, 2^151311812 is an apocalyptic number.

It is an amenable number.

151311812 is a deficient number, since it is larger than the sum of its proper divisors (122051740).

151311812 is a wasteful number, since it uses less digits than its factorization.

151311812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7219 (or 7217 counting only the distinct ones).

The product of its digits is 240, while the sum is 23.

The square root of 151311812 is about 12300.8866347105. The cubic root of 151311812 is about 532.8736892205.

Adding to 151311812 its reverse (218113151), we get a palindrome (369424963).

The spelling of 151311812 in words is "one hundred fifty-one million, three hundred eleven thousand, eight hundred twelve".