147252816 has 50 divisors (see below), whose sum is σ = 426196122. Its totient is φ = 49083840.

The previous prime is 147252811. The next prime is 147252823. The reversal of 147252816 is 618252741.

It can be written as a sum of positive squares in only one way, i.e., 125350416 + 21902400 = 11196^2 + 4680^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147252811) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55515 + ... + 58106.

Almost surely, 2^147252816 is an apocalyptic number.

147252816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

147252816 is an abundant number, since it is smaller than the sum of its proper divisors (278943306).

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

147252816 is a wasteful number, since it uses less digits than its factorization.

147252816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113641 (or 113626 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 147252816 is about 12134.7771302155. Note that the first 3 decimals coincide. The cubic root of 147252816 is about 528.0655910251.

The spelling of 147252816 in words is "one hundred forty-seven million, two hundred fifty-two thousand, eight hundred sixteen".