150997 has 16 divisors (see below), whose sum is σ = 196992. Its totient is φ = 112320.

The previous prime is 150991. The next prime is 151007. The reversal of 150997 is 799051.

It is a cyclic number.

It is not a de Polignac number, because 150997 - 2³ = 150989 is a prime.

It is a Duffinian number.

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, 2823 + ... + 2875.

It is an arithmetic number, because the mean of its divisors is an integer number (12312).

2¹⁵⁰⁹⁹⁷ is an apocalyptic number.

It is an amenable number.

150997 is a deficient number, since it is larger than the sum of its proper divisors (45995).

150997 is a wasteful number, since it uses less digits than its factorization.

150997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 150997 is about 388.5833243977. The cubic root of 150997 is about 53.2503875599.

The spelling of 150997 in words is "one hundred fifty thousand, nine hundred ninety-seven".