150990 has 32 divisors (see below), whose sum is σ = 414720. Its totient is φ = 34464.

The previous prime is 150989. The next prime is 150991. The reversal of 150990 is 99051.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (150989) and next prime (150991).

It is a self number, because there is not a number n which added to its sum of digits gives 150990.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150 + ... + 569.

It is an arithmetic number, because the mean of its divisors is an integer number (12960).

2¹⁵⁰⁹⁹⁰ is an apocalyptic number.

150990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150990 is an abundant number, since it is smaller than the sum of its proper divisors (263730).

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

150990 is a wasteful number, since it uses less digits than its factorization.

150990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736.

The product of its (nonzero) digits is 405, while the sum is 24.

The square root of 150990 is about 388.5743172162. The cubic root of 150990 is about 53.2495646772.

The spelling of 150990 in words is "one hundred fifty thousand, nine hundred ninety".