151044731 has 8 divisors (see below), whose sum is σ = 157716720. Its totient is φ = 144470368.

The previous prime is 151044721. The next prime is 151044739. The reversal of 151044731 is 137440151.

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

It is a cyclic number.

It is not a de Polignac number, because 151044731 - 2⁶ = 151044667 is a prime.

It is a super-2 number, since 2×151044731² = 45629021525724722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151044731.

It is not an unprimeable number, because it can be changed into a prime (151044739) 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, 21236 + ... + 27441.

It is an arithmetic number, because the mean of its divisors is an integer number (19714590).

Almost surely, 2^151044731 is an apocalyptic number.

151044731 is a deficient number, since it is larger than the sum of its proper divisors (6671989).

151044731 is a wasteful number, since it uses less digits than its factorization.

151044731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48813.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 151044731 is about 12290.0256712507. The cubic root of 151044731 is about 532.5599788435.

Adding to 151044731 its reverse (137440151), we get a palindrome (288484882).

The spelling of 151044731 in words is "one hundred fifty-one million, forty-four thousand, seven hundred thirty-one".