150865729 has 4 divisors (see below), whose sum is σ = 172417984. Its totient is φ = 129313476.

The previous prime is 150865721. The next prime is 150865739. The reversal of 150865729 is 927568051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 927568051 = 41 ⋅22623611.

It is a cyclic number.

It is not a de Polignac number, because 150865729 - 2³ = 150865721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150865721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10776117 + ... + 10776130.

It is an arithmetic number, because the mean of its divisors is an integer number (43104496).

Almost surely, 2^150865729 is an apocalyptic number.

It is an amenable number.

150865729 is a deficient number, since it is larger than the sum of its proper divisors (21552255).

150865729 is an equidigital number, since it uses as much as digits as its factorization.

150865729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21552254.

The product of its (nonzero) digits is 151200, while the sum is 43.

The square root of 150865729 is about 12282.7411028646. The cubic root of 150865729 is about 532.3495180448.

The spelling of 150865729 in words is "one hundred fifty million, eight hundred sixty-five thousand, seven hundred twenty-nine".