147273864 has 32 divisors (see below), whose sum is σ = 387564000. Its totient is φ = 46507392.

The previous prime is 147273859. The next prime is 147273869. The reversal of 147273864 is 468372741.

It is an interprime number because it is at equal distance from previous prime (147273859) and next prime (147273869).

It is not an unprimeable number, because it can be changed into a prime (147273869) 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 7 ways as a sum of consecutive naturals, for example, 161029 + ... + 161940.

It is an arithmetic number, because the mean of its divisors is an integer number (12111375).

Almost surely, 2^147273864 is an apocalyptic number.

It is an amenable number.

147273864 is an abundant number, since it is smaller than the sum of its proper divisors (240290136).

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

147273864 is a wasteful number, since it uses less digits than its factorization.

147273864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322997 (or 322993 counting only the distinct ones).

The product of its digits is 225792, while the sum is 42.

The square root of 147273864 is about 12135.6443586651. The cubic root of 147273864 is about 528.0907500121.

The spelling of 147273864 in words is "one hundred forty-seven million, two hundred seventy-three thousand, eight hundred sixty-four".