147232872 has 24 divisors (see below), whose sum is σ = 398755890. Its totient is φ = 49077600.

The previous prime is 147232871. The next prime is 147232901. The reversal of 147232872 is 278232741.

It can be written as a sum of positive squares in only one way, i.e., 73719396 + 73513476 = 8586^2 + 8574^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (147232871) 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 5 ways as a sum of consecutive naturals, for example, 1022379 + ... + 1022522.

Almost surely, 2^147232872 is an apocalyptic number.

147232872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147232872 is an abundant number, since it is smaller than the sum of its proper divisors (251523018).

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

147232872 is a wasteful number, since it uses less digits than its factorization.

147232872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044913 (or 2044906 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 147232872 is about 12133.9553320424. The cubic root of 147232872 is about 528.0417494536.

It can be divided in two parts, 1472328 and 72, that multiplied together give a square (106007616 = 10296²).

The spelling of 147232872 in words is "one hundred forty-seven million, two hundred thirty-two thousand, eight hundred seventy-two".