147918464 has 16 divisors (see below), whose sum is σ = 294681570. Its totient is φ = 73959168.

The previous prime is 147918461. The next prime is 147918493. The reversal of 147918464 is 464819741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 125260864 + 22657600 = 11192^2 + 4760^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (147918461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 577679 + ... + 577934.

Almost surely, 2^147918464 is an apocalyptic number.

It is an amenable number.

147918464 is a deficient number, since it is larger than the sum of its proper divisors (146763106).

147918464 is an equidigital number, since it uses as much as digits as its factorization.

147918464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155627 (or 1155615 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 147918464 is about 12162.1734899647. The cubic root of 147918464 is about 528.8600919074.

The spelling of 147918464 in words is "one hundred forty-seven million, nine hundred eighteen thousand, four hundred sixty-four".