147972999 has 8 divisors (see below), whose sum is σ = 197354880. Its totient is φ = 98619896.

The previous prime is 147972997. The next prime is 147973009. The reversal of 147972999 is 999279741.

147972999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 147972999 - 2¹ = 147972997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147972991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12544 + ... + 21290.

It is an arithmetic number, because the mean of its divisors is an integer number (24669360).

Almost surely, 2^147972999 is an apocalyptic number.

147972999 is a deficient number, since it is larger than the sum of its proper divisors (49381881).

147972999 is an equidigital number, since it uses as much as digits as its factorization.

147972999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14389.

The product of its digits is 2571912, while the sum is 57.

The square root of 147972999 is about 12164.4152757130. The cubic root of 147972999 is about 528.9250778026.

The spelling of 147972999 in words is "one hundred forty-seven million, nine hundred seventy-two thousand, nine hundred ninety-nine".