147458973657 has 4 divisors (see below), whose sum is σ = 196611964880. Its totient is φ = 98305982436.

The previous prime is 147458973631. The next prime is 147458973707. The reversal of 147458973657 is 756379854741.

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 not a de Polignac number, because 147458973657 - 2⁶ = 147458973593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147458973157) 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, 24576495607 + ... + 24576495612.

It is an arithmetic number, because the mean of its divisors is an integer number (49152991220).

Almost surely, 2^147458973657 is an apocalyptic number.

It is an amenable number.

147458973657 is a deficient number, since it is larger than the sum of its proper divisors (49152991223).

147458973657 is an equidigital number, since it uses as much as digits as its factorization.

147458973657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49152991222.

The product of its digits is 177811200, while the sum is 66.

The spelling of 147458973657 in words is "one hundred forty-seven billion, four hundred fifty-eight million, nine hundred seventy-three thousand, six hundred fifty-seven".