149851023 has 32 divisors (see below), whose sum is σ = 235146240. Its totient is φ = 83101440.

The previous prime is 149851007. The next prime is 149851067. The reversal of 149851023 is 320158941.

It is not a de Polignac number, because 149851023 - 2⁴ = 149851007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149851523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231286 + ... + 231932.

It is an arithmetic number, because the mean of its divisors is an integer number (7348320).

Almost surely, 2^149851023 is an apocalyptic number.

149851023 is a deficient number, since it is larger than the sum of its proper divisors (85295217).

149851023 is a wasteful number, since it uses less digits than its factorization.

149851023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 149851023 is about 12241.3652424883. The cubic root of 149851023 is about 531.1533244521.

The spelling of 149851023 in words is "one hundred forty-nine million, eight hundred fifty-one thousand, twenty-three".