150724729 has 3 divisors (see below), whose sum is σ = 150737007. Its totient is φ = 150712452.

The previous prime is 150724699. The next prime is 150724751. The reversal of 150724729 is 927427051.

The square root of 150724729 is 12277.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 12709225 + 138015504 = 3565^2 + 11748^2 .

It is not a de Polignac number, because 150724729 - 2¹³ = 150716537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150724799) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6139 + ... + 18415.

It is an arithmetic number, because the mean of its divisors is an integer number (50245669).

Almost surely, 2^150724729 is an apocalyptic number.

150724729 is the 12277-th square number.

150724729 is the 6139-th centered octagonal number.

It is an amenable number.

150724729 is a deficient number, since it is larger than the sum of its proper divisors (12278).

150724729 is an frugal number, since it uses more digits than its factorization.

150724729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24554 (or 12277 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 37.

The cubic root of 150724729 is about 532.1836206849.

The spelling of 150724729 in words is "one hundred fifty million, seven hundred twenty-four thousand, seven hundred twenty-nine".