149554131 has 32 divisors (see below), whose sum is σ = 211680000. Its totient is φ = 93787008.

The previous prime is 149554123. The next prime is 149554159. The reversal of 149554131 is 131455941.

It is not a de Polignac number, because 149554131 - 2³ = 149554123 is a prime.

It is a super-2 number, since 2×149554131² = 44732876198330322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 149554092 and 149554101.

It is not an unprimeable number, because it can be changed into a prime (149554121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1003645 + ... + 1003793.

It is an arithmetic number, because the mean of its divisors is an integer number (6615000).

Almost surely, 2^149554131 is an apocalyptic number.

149554131 is a deficient number, since it is larger than the sum of its proper divisors (62125869).

149554131 is a wasteful number, since it uses less digits than its factorization.

149554131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403.

The product of its digits is 10800, while the sum is 33.

The square root of 149554131 is about 12229.2326415029. The cubic root of 149554131 is about 530.8023104276.

The spelling of 149554131 in words is "one hundred forty-nine million, five hundred fifty-four thousand, one hundred thirty-one".