149345131 has 6 divisors (see below), whose sum is σ = 161717100. Its totient is φ = 137856888.

The previous prime is 149345129. The next prime is 149345173. The reversal of 149345131 is 131543941.

It is not a de Polignac number, because 149345131 - 2¹ = 149345129 is a prime.

It is a super-2 number, since 2×149345131² = 44607936306814322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 149345093 and 149345102.

It is not an unprimeable number, because it can be changed into a prime (149355131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 441681 + ... + 442018.

It is an arithmetic number, because the mean of its divisors is an integer number (26952850).

Almost surely, 2^149345131 is an apocalyptic number.

149345131 is a deficient number, since it is larger than the sum of its proper divisors (12371969).

149345131 is an equidigital number, since it uses as much as digits as its factorization.

149345131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883725 (or 883712 counting only the distinct ones).

The product of its digits is 6480, while the sum is 31.

The square root of 149345131 is about 12220.6845552939. The cubic root of 149345131 is about 530.5549319917.

The spelling of 149345131 in words is "one hundred forty-nine million, three hundred forty-five thousand, one hundred thirty-one".