973158144 has 72 divisors (see below), whose sum is σ = 2960039040. Its totient is φ = 278043648.

The previous prime is 973158143. The next prime is 973158161. The reversal of 973158144 is 441851379.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 973158096 and 973158105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (973158143) 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, 85134 + ... + 95885.

Almost surely, 2^973158144 is an apocalyptic number.

It is an amenable number.

973158144 is an abundant number, since it is smaller than the sum of its proper divisors (1986880896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

973158144 is a wasteful number, since it uses less digits than its factorization.

973158144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181045 (or 181031 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 973158144 is about 31195.4827499111. The cubic root of 973158144 is about 990.9714451849.

The spelling of 973158144 in words is "nine hundred seventy-three million, one hundred fifty-eight thousand, one hundred forty-four".