147520399 has 8 divisors (see below), whose sum is σ = 161240240. Its totient is φ = 134139456.

The previous prime is 147520393. The next prime is 147520403. The reversal of 147520399 is 993025741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147520399 - 2³ = 147520391 is a prime.

It is a super-2 number, since 2×147520399² = 43524536242238402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147520391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83814 + ... + 85555.

It is an arithmetic number, because the mean of its divisors is an integer number (20155030).

Almost surely, 2^147520399 is an apocalyptic number.

147520399 is a deficient number, since it is larger than the sum of its proper divisors (13719841).

147520399 is a wasteful number, since it uses less digits than its factorization.

147520399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169449.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 147520399 is about 12145.7975859966. The cubic root of 147520399 is about 528.3852586457.

The spelling of 147520399 in words is "one hundred forty-seven million, five hundred twenty thousand, three hundred ninety-nine".