147272399 has 4 divisors (see below), whose sum is σ = 147336336. Its totient is φ = 147208464.

The previous prime is 147272383. The next prime is 147272417. The reversal of 147272399 is 993272741.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 147272399 - 2⁴ = 147272383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147275399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28379 + ... + 33164.

It is an arithmetic number, because the mean of its divisors is an integer number (36834084).

Almost surely, 2^147272399 is an apocalyptic number.

147272399 is a deficient number, since it is larger than the sum of its proper divisors (63937).

147272399 is an equidigital number, since it uses as much as digits as its factorization.

147272399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63936.

The product of its digits is 190512, while the sum is 44.

The square root of 147272399 is about 12135.5839991325. The cubic root of 147272399 is about 528.0889989535.

The spelling of 147272399 in words is "one hundred forty-seven million, two hundred seventy-two thousand, three hundred ninety-nine".