148636404 has 72 divisors (see below), whose sum is σ = 448284480. Its totient is φ = 42466032.

The previous prime is 148636393. The next prime is 148636417. The reversal of 148636404 is 404636841.

148636404 is a `hidden beast` number, since 1 + 4 + 8 + 6 + 3 + 640 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8752 + ... + 19335.

Almost surely, 2^148636404 is an apocalyptic number.

148636404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

148636404 is an abundant number, since it is smaller than the sum of its proper divisors (299648076).

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

148636404 is a wasteful number, since it uses less digits than its factorization.

148636404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28114 (or 28099 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 148636404 is about 12191.6530462444. The cubic root of 148636404 is about 529.7143399509.

The spelling of 148636404 in words is "one hundred forty-eight million, six hundred thirty-six thousand, four hundred four".