147299445973 has 4 divisors (see below), whose sum is σ = 150725014528. Its totient is φ = 143873877420.

The previous prime is 147299445929. The next prime is 147299445983. The reversal of 147299445973 is 379544992741.

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, and also an emirpimes, since its reverse is a distinct semiprime: 379544992741 = 177257 ⋅2141213.

It is a cyclic number.

It is not a de Polignac number, because 147299445973 - 2¹⁷ = 147299314901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147299445983) 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, 1712784213 + ... + 1712784298.

It is an arithmetic number, because the mean of its divisors is an integer number (37681253632).

Almost surely, 2^147299445973 is an apocalyptic number.

It is an amenable number.

147299445973 is a deficient number, since it is larger than the sum of its proper divisors (3425568555).

147299445973 is an equidigital number, since it uses as much as digits as its factorization.

147299445973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425568554.

The product of its digits is 68584320, while the sum is 64.

The spelling of 147299445973 in words is "one hundred forty-seven billion, two hundred ninety-nine million, four hundred forty-five thousand, nine hundred seventy-three".