147872916 has 18 divisors (see below), whose sum is σ = 373789962. Its totient is φ = 49290960.

The previous prime is 147872909. The next prime is 147872927. The reversal of 147872916 is 619278741.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133402500 + 14470416 = 11550^2 + 3804^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2053755 + ... + 2053826.

It is an arithmetic number, because the mean of its divisors is an integer number (20766109).

Almost surely, 2^147872916 is an apocalyptic number.

It is an amenable number.

147872916 is an abundant number, since it is smaller than the sum of its proper divisors (225917046).

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

147872916 is a wasteful number, since it uses less digits than its factorization.

147872916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107591 (or 4107586 counting only the distinct ones).

The product of its digits is 169344, while the sum is 45.

The square root of 147872916 is about 12160.3008186475. The cubic root of 147872916 is about 528.8058030067.

The spelling of 147872916 in words is "one hundred forty-seven million, eight hundred seventy-two thousand, nine hundred sixteen".