150661255 has 4 divisors (see below), whose sum is σ = 180793512. Its totient is φ = 120529000.

The previous prime is 150661249. The next prime is 150661261. The reversal of 150661255 is 552166051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552166051 = 2677 ⋅206263.

It is an interprime number because it is at equal distance from previous prime (150661249) and next prime (150661261).

It is not a de Polignac number, because 150661255 - 2⁵ = 150661223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15066121 + ... + 15066130.

It is an arithmetic number, because the mean of its divisors is an integer number (45198378).

Almost surely, 2^150661255 is an apocalyptic number.

150661255 is a deficient number, since it is larger than the sum of its proper divisors (30132257).

150661255 is an equidigital number, since it uses as much as digits as its factorization.

150661255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30132256.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 150661255 is about 12274.4146499945. The cubic root of 150661255 is about 532.1089048629.

The spelling of 150661255 in words is "one hundred fifty million, six hundred sixty-one thousand, two hundred fifty-five".