150997275 has 162 divisors, whose sum is σ = 337180428. Its totient is φ = 64022400.

The previous prime is 150997271. The next prime is 150997289. The reversal of 150997275 is 572799051.

150997275 is a `hidden beast` number, since 1 + 509 + 9 + 72 + 75 = 666.

It is not a de Polignac number, because 150997275 - 2² = 150997271 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 150997275.

It is not an unprimeable number, because it can be changed into a prime (150997271) by changing a digit.

It is a polite number, since it can be written in 161 ways as a sum of consecutive naturals, for example, 7947216 + ... + 7947234.

Almost surely, 2^150997275 is an apocalyptic number.

150997275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

150997275 is an abundant number, since it is smaller than the sum of its proper divisors (186183153).

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

150997275 is a wasteful number, since it uses less digits than its factorization.

150997275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 45.

The square root of 150997275 is about 12288.0948482668. The cubic root of 150997275 is about 532.5041988692.

The spelling of 150997275 in words is "one hundred fifty million, nine hundred ninety-seven thousand, two hundred seventy-five".