149274836 has 24 divisors (see below), whose sum is σ = 265192704. Its totient is φ = 73511360.

The previous prime is 149274833. The next prime is 149274847. The reversal of 149274836 is 638472941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149274833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172541 + ... + 173403.

It is an arithmetic number, because the mean of its divisors is an integer number (11049696).

Almost surely, 2^149274836 is an apocalyptic number.

It is an amenable number.

149274836 is a deficient number, since it is larger than the sum of its proper divisors (115917868).

149274836 is a wasteful number, since it uses less digits than its factorization.

149274836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1471 (or 1469 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 149274836 is about 12217.8081504008. The cubic root of 149274836 is about 530.4716769351.

The spelling of 149274836 in words is "one hundred forty-nine million, two hundred seventy-four thousand, eight hundred thirty-six".