147021297 has 16 divisors (see below), whose sum is σ = 207408960. Its totient is φ = 92377152.

The previous prime is 147021293. The next prime is 147021299. The reversal of 147021297 is 792120741.

It is not a de Polignac number, because 147021297 - 2² = 147021293 is a prime.

It is not an unprimeable number, because it can be changed into a prime (147021293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4683 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (12963060).

Almost surely, 2^147021297 is an apocalyptic number.

It is an amenable number.

147021297 is a deficient number, since it is larger than the sum of its proper divisors (60387663).

147021297 is a wasteful number, since it uses less digits than its factorization.

147021297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13312.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 147021297 is about 12125.2338946513. The cubic root of 147021297 is about 527.7886945734.

The spelling of 147021297 in words is "one hundred forty-seven million, twenty-one thousand, two hundred ninety-seven".