147618953 has 4 divisors (see below), whose sum is σ = 147922560. Its totient is φ = 147315348.

The previous prime is 147618941. The next prime is 147618971. The reversal of 147618953 is 359816741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 147618953 - 2²⁰ = 146570377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147618253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151073 + ... + 152046.

It is an arithmetic number, because the mean of its divisors is an integer number (36980640).

Almost surely, 2^147618953 is an apocalyptic number.

It is an amenable number.

147618953 is a deficient number, since it is larger than the sum of its proper divisors (303607).

147618953 is an equidigital number, since it uses as much as digits as its factorization.

147618953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303606.

The product of its digits is 181440, while the sum is 44.

The square root of 147618953 is about 12149.8540320450. The cubic root of 147618953 is about 528.5028986217.

The spelling of 147618953 in words is "one hundred forty-seven million, six hundred eighteen thousand, nine hundred fifty-three".