147664236 has 24 divisors (see below), whose sum is σ = 352563904. Its totient is φ = 48076560.

The previous prime is 147664229. The next prime is 147664249. The reversal of 147664236 is 632466741.

It is a happy number.

147664236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 147664194 and 147664203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142570 + ... + 143601.

Almost surely, 2^147664236 is an apocalyptic number.

It is an amenable number.

147664236 is an abundant number, since it is smaller than the sum of its proper divisors (204899668).

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

147664236 is a wasteful number, since it uses less digits than its factorization.

147664236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286221 (or 286219 counting only the distinct ones).

The product of its digits is 145152, while the sum is 39.

The square root of 147664236 is about 12151.7174094858. The cubic root of 147664236 is about 528.5569335759.

The spelling of 147664236 in words is "one hundred forty-seven million, six hundred sixty-four thousand, two hundred thirty-six".