147225612 has 12 divisors (see below), whose sum is σ = 343526456. Its totient is φ = 49075200.

The previous prime is 147225607. The next prime is 147225613. The reversal of 147225612 is 216522741.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 147225612.

It is not an unprimeable number, because it can be changed into a prime (147225613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134389 + ... + 6134412.

Almost surely, 2^147225612 is an apocalyptic number.

147225612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147225612 is an abundant number, since it is smaller than the sum of its proper divisors (196300844).

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

147225612 is a wasteful number, since it uses less digits than its factorization.

147225612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12268808 (or 12268806 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 147225612 is about 12133.6561678663. The cubic root of 147225612 is about 528.0330701279.

The spelling of 147225612 in words is "one hundred forty-seven million, two hundred twenty-five thousand, six hundred twelve".