147490812 has 72 divisors (see below), whose sum is σ = 444627456. Its totient is φ = 40306464.

The previous prime is 147490807. The next prime is 147490823. The reversal of 147490812 is 218094741.

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, 6928 + ... + 18519.

Almost surely, 2^147490812 is an apocalyptic number.

147490812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147490812 is an abundant number, since it is smaller than the sum of its proper divisors (297136644).

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

147490812 is a wasteful number, since it uses less digits than its factorization.

147490812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25487 (or 25482 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 147490812 is about 12144.5795316264. The cubic root of 147490812 is about 528.3499315994.

The spelling of 147490812 in words is "one hundred forty-seven million, four hundred ninety thousand, eight hundred twelve".