151431042 has 32 divisors (see below), whose sum is σ = 346521600. Its totient is φ = 43216848.

The previous prime is 151431041. The next prime is 151431067. The reversal of 151431042 is 240134151.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (151431041) 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 15 ways as a sum of consecutive naturals, for example, 52309 + ... + 55127.

It is an arithmetic number, because the mean of its divisors is an integer number (10828800).

Almost surely, 2^151431042 is an apocalyptic number.

151431042 is an abundant number, since it is smaller than the sum of its proper divisors (195090558).

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

151431042 is a wasteful number, since it uses less digits than its factorization.

151431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4110.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 151431042 is about 12305.7320789947. The cubic root of 151431042 is about 533.0136162770.

Adding to 151431042 its reverse (240134151), we get a palindrome (391565193).

The spelling of 151431042 in words is "one hundred fifty-one million, four hundred thirty-one thousand, forty-two".