149998057 has 16 divisors (see below), whose sum is σ = 170532864. Its totient is φ = 130698000.

The previous prime is 149998039. The next prime is 149998067. The reversal of 149998057 is 750899941.

149998057 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 149998057 - 2⁷ = 149997929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149997995 and 149998013.

It is not an unprimeable number, because it can be changed into a prime (149998067) 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, 34432 + ... + 38542.

It is an arithmetic number, because the mean of its divisors is an integer number (10658304).

Almost surely, 2^149998057 is an apocalyptic number.

It is an amenable number.

149998057 is a deficient number, since it is larger than the sum of its proper divisors (20534807).

149998057 is a wasteful number, since it uses less digits than its factorization.

149998057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4260.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 149998057 is about 12247.3693910162. The cubic root of 149998057 is about 531.3269904196.

The spelling of 149998057 in words is "one hundred forty-nine million, nine hundred ninety-eight thousand, fifty-seven".