974145783 has 16 divisors (see below), whose sum is σ = 1421707616. Its totient is φ = 589645440.

The previous prime is 974145727. The next prime is 974145787. The reversal of 974145783 is 387541479.

It is a happy number.

It is not a de Polignac number, because 974145783 - 2⁶ = 974145719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974145787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 202360 + ... + 207117.

It is an arithmetic number, because the mean of its divisors is an integer number (88856726).

Almost surely, 2^974145783 is an apocalyptic number.

974145783 is a deficient number, since it is larger than the sum of its proper divisors (447561833).

974145783 is a wasteful number, since it uses less digits than its factorization.

974145783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409554.

The product of its digits is 846720, while the sum is 48.

The square root of 974145783 is about 31211.3085755788. The cubic root of 974145783 is about 991.3065709623.

The spelling of 974145783 in words is "nine hundred seventy-four million, one hundred forty-five thousand, seven hundred eighty-three".