147281664 has 36 divisors (see below), whose sum is σ = 391986056. Its totient is φ = 49093632.

The previous prime is 147281623. The next prime is 147281669. The reversal of 147281664 is 466182741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147281669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 95119 + ... + 96654.

Almost surely, 2^147281664 is an apocalyptic number.

It is an amenable number.

147281664 is an abundant number, since it is smaller than the sum of its proper divisors (244704392).

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

147281664 is an equidigital number, since it uses as much as digits as its factorization.

147281664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191792 (or 191778 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 147281664 is about 12135.9657217710. The cubic root of 147281664 is about 528.1000728592.

The spelling of 147281664 in words is "one hundred forty-seven million, two hundred eighty-one thousand, six hundred sixty-four".