147220032 has 56 divisors (see below), whose sum is σ = 390420352. Its totient is φ = 48960000.

The previous prime is 147220013. The next prime is 147220039. The reversal of 147220032 is 230022741.

It is a junction number, because it is equal to n+sod(n) for n = 147219990 and 147220008.

It is not an unprimeable number, because it can be changed into a prime (147220039) 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, 143682 + ... + 144702.

It is an arithmetic number, because the mean of its divisors is an integer number (6971792).

Almost surely, 2^147220032 is an apocalyptic number.

147220032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147220032 is an abundant number, since it is smaller than the sum of its proper divisors (243200320).

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

147220032 is a wasteful number, since it uses less digits than its factorization.

147220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 147220032 is about 12133.4262267506. The cubic root of 147220032 is about 528.0263990474.

Adding to 147220032 its reverse (230022741), we get a palindrome (377242773).

The spelling of 147220032 in words is "one hundred forty-seven million, two hundred twenty thousand, thirty-two".