149783904 has 60 divisors (see below), whose sum is σ = 440517924. Its totient is φ = 49927104.

The previous prime is 149783903. The next prime is 149783941. The reversal of 149783904 is 409387941.

It is a self number, because there is not a number n which added to its sum of digits gives 149783904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149783903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26302 + ... + 31485.

Almost surely, 2^149783904 is an apocalyptic number.

It is an amenable number.

149783904 is an abundant number, since it is smaller than the sum of its proper divisors (290734020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149783904 is an equidigital number, since it uses as much as digits as its factorization.

149783904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57809 (or 57792 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 149783904 is about 12238.6234520064. The cubic root of 149783904 is about 531.0740105592.

The spelling of 149783904 in words is "one hundred forty-nine million, seven hundred eighty-three thousand, nine hundred four".