149497438 has 16 divisors (see below), whose sum is σ = 232045056. Its totient is φ = 72160920.

The previous prime is 149497429. The next prime is 149497451. The reversal of 149497438 is 834794941.

149497438 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 149497391 and 149497400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24745 + ... + 30187.

It is an arithmetic number, because the mean of its divisors is an integer number (14502816).

Almost surely, 2^149497438 is an apocalyptic number.

149497438 is a deficient number, since it is larger than the sum of its proper divisors (82547618).

149497438 is a wasteful number, since it uses less digits than its factorization.

149497438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919.

The product of its digits is 870912, while the sum is 49.

The square root of 149497438 is about 12226.9144922176. The cubic root of 149497438 is about 530.7352297469.

The spelling of 149497438 in words is "one hundred forty-nine million, four hundred ninety-seven thousand, four hundred thirty-eight".