147239552 has 16 divisors (see below), whose sum is σ = 293329050. Its totient is φ = 73619712.

The previous prime is 147239497. The next prime is 147239557. The reversal of 147239552 is 255932741.

It can be written as a sum of positive squares in only one way, i.e., 146506816 + 732736 = 12104^2 + 856^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (147239557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575027 + ... + 575282.

Almost surely, 2^147239552 is an apocalyptic number.

It is an amenable number.

147239552 is a deficient number, since it is larger than the sum of its proper divisors (146089498).

147239552 is an equidigital number, since it uses as much as digits as its factorization.

147239552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150323 (or 1150311 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 147239552 is about 12134.2305895347. The cubic root of 147239552 is about 528.0497351375.

The spelling of 147239552 in words is "one hundred forty-seven million, two hundred thirty-nine thousand, five hundred fifty-two".