147561372 has 96 divisors (see below), whose sum is σ = 460275200. Its totient is φ = 39937536.

The previous prime is 147561331. The next prime is 147561383. The reversal of 147561372 is 273165741.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9228 + ... + 19500.

Almost surely, 2^147561372 is an apocalyptic number.

147561372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 147561372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230137600).

147561372 is an abundant number, since it is smaller than the sum of its proper divisors (312713828).

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

147561372 is a wasteful number, since it uses less digits than its factorization.

147561372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312 (or 10304 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 147561372 is about 12147.4841839782. The cubic root of 147561372 is about 528.4341728418.

The spelling of 147561372 in words is "one hundred forty-seven million, five hundred sixty-one thousand, three hundred seventy-two".