147738816 has 70 divisors (see below), whose sum is σ = 437959500. Its totient is φ = 49244544.

The previous prime is 147738809. The next prime is 147738869. The reversal of 147738816 is 618837741.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9066 + ... + 19433.

Almost surely, 2^147738816 is an apocalyptic number.

147738816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

147738816 is an abundant number, since it is smaller than the sum of its proper divisors (290220684).

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

147738816 is an equidigital number, since it uses as much as digits as its factorization.

147738816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28523 (or 28504 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 147738816 is about 12154.7857241500. The cubic root of 147738816 is about 528.6459037570.

The spelling of 147738816 in words is "one hundred forty-seven million, seven hundred thirty-eight thousand, eight hundred sixteen".