150997520 has 40 divisors (see below), whose sum is σ = 357030720. Its totient is φ = 59373440.

The previous prime is 150997471. The next prime is 150997529. The reversal of 150997520 is 25799051.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150997529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11276 + ... + 20715.

It is an arithmetic number, because the mean of its divisors is an integer number (8925768).

Almost surely, 2^150997520 is an apocalyptic number.

150997520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150997520 is an abundant number, since it is smaller than the sum of its proper divisors (206033200).

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

150997520 is a wasteful number, since it uses less digits than its factorization.

150997520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32063 (or 32057 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 150997520 is about 12288.1048172613. The cubic root of 150997520 is about 532.5044868732.

The spelling of 150997520 in words is "one hundred fifty million, nine hundred ninety-seven thousand, five hundred twenty".