147971432 has 32 divisors (see below), whose sum is σ = 327313920. Its totient is φ = 61369920.

The previous prime is 147971429. The next prime is 147971437. The reversal of 147971432 is 234179741.

It is a happy number.

147971432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (147971437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40883 + ... + 44354.

It is an arithmetic number, because the mean of its divisors is an integer number (10228560).

Almost surely, 2^147971432 is an apocalyptic number.

It is an amenable number.

147971432 is an abundant number, since it is smaller than the sum of its proper divisors (179342488).

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

147971432 is a wasteful number, since it uses less digits than its factorization.

147971432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85281 (or 85277 counting only the distinct ones).

The product of its digits is 42336, while the sum is 38.

The square root of 147971432 is about 12164.3508663636. The cubic root of 147971432 is about 528.9232107310.

The spelling of 147971432 in words is "one hundred forty-seven million, nine hundred seventy-one thousand, four hundred thirty-two".