149192554 has 24 divisors (see below), whose sum is σ = 262920708. Its totient is φ = 63302400.

The previous prime is 149192543. The next prime is 149192557. The reversal of 149192554 is 455291941.

It can be written as a sum of positive squares in 2 ways, for example, as 137475625 + 11716929 = 11725^2 + 3423^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149192557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2362 + ... + 17434.

Almost surely, 2^149192554 is an apocalyptic number.

149192554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

149192554 is a deficient number, since it is larger than the sum of its proper divisors (113728154).

149192554 is a wasteful number, since it uses less digits than its factorization.

149192554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190 (or 15183 counting only the distinct ones).

The product of its digits is 64800, while the sum is 40.

The square root of 149192554 is about 12214.4403883273. The cubic root of 149192554 is about 530.3741916658.

The spelling of 149192554 in words is "one hundred forty-nine million, one hundred ninety-two thousand, five hundred fifty-four".