149157001 has 16 divisors (see below), whose sum is σ = 178633728. Its totient is φ = 121770000.

The previous prime is 149156989. The next prime is 149157023. The reversal of 149157001 is 100751941.

149157001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 149157001 - 2⁷ = 149156873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149157061) 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, 38566 + ... + 42256.

It is an arithmetic number, because the mean of its divisors is an integer number (11164608).

Almost surely, 2^149157001 is an apocalyptic number.

It is an amenable number.

149157001 is a deficient number, since it is larger than the sum of its proper divisors (29476727).

149157001 is a wasteful number, since it uses less digits than its factorization.

149157001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 149157001 is about 12212.9849340773. The cubic root of 149157001 is about 530.3320584378.

The spelling of 149157001 in words is "one hundred forty-nine million, one hundred fifty-seven thousand, one".