147307144 has 32 divisors (see below), whose sum is σ = 279892800. Its totient is φ = 72676800.

The previous prime is 147307141. The next prime is 147307189. The reversal of 147307144 is 441703741.

It is not an unprimeable number, because it can be changed into a prime (147307141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237667 + ... + 238285.

It is an arithmetic number, because the mean of its divisors is an integer number (8746650).

Almost surely, 2^147307144 is an apocalyptic number.

It is an amenable number.

147307144 is a deficient number, since it is larger than the sum of its proper divisors (132585656).

147307144 is a wasteful number, since it uses less digits than its factorization.

147307144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973 (or 969 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 147307144 is about 12137.0154486183. The cubic root of 147307144 is about 528.1305251992.

The spelling of 147307144 in words is "one hundred forty-seven million, three hundred seven thousand, one hundred forty-four".