151311042 has 24 divisors (see below), whose sum is σ = 332334444. Its totient is φ = 49745664.

The previous prime is 151311007. The next prime is 151311047. The reversal of 151311042 is 240113151.

151311042 is a `hidden beast` number, since 1 + 513 + 110 + 42 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 147112641 + 4198401 = 12129^2 + 2049^2 .

It is a super-2 number, since 2×151311042² = 45790062862251528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (151311047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56263 + ... + 58890.

Almost surely, 2^151311042 is an apocalyptic number.

151311042 is an abundant number, since it is smaller than the sum of its proper divisors (181023402).

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

151311042 is a wasteful number, since it uses less digits than its factorization.

151311042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115234 (or 115231 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 151311042 is about 12300.8553361138. The cubic root of 151311042 is about 532.8727853179.

Adding to 151311042 its reverse (240113151), we get a palindrome (391424193).

The spelling of 151311042 in words is "one hundred fifty-one million, three hundred eleven thousand, forty-two".