147870612 has 18 divisors (see below), whose sum is σ = 373784138. Its totient is φ = 49290192.

The previous prime is 147870581. The next prime is 147870629. The reversal of 147870612 is 216078741.

It can be written as a sum of positive squares in only one way, i.e., 86936976 + 60933636 = 9324^2 + 7806^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4107517 = 147870612 / (1 + 4 + 7 + 8 + 7 + 0 + 6 + 1 + 2).

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, 2053723 + ... + 2053794.

Almost surely, 2^147870612 is an apocalyptic number.

147870612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147870612 is an abundant number, since it is smaller than the sum of its proper divisors (225913526).

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

147870612 is a wasteful number, since it uses less digits than its factorization.

147870612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107527 (or 4107522 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 147870612 is about 12160.2060837800. The cubic root of 147870612 is about 528.8030565608.

The spelling of 147870612 in words is "one hundred forty-seven million, eight hundred seventy thousand, six hundred twelve".