745477145674424 has 8 divisors (see below), whose sum is σ = 1397769648139560. Its totient is φ = 372738572837208.

The previous prime is 745477145674271. The next prime is 745477145674433. The reversal of 745477145674424 is 424476541774547.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46592321604644 + ... + 46592321604659.

It is an arithmetic number, because the mean of its divisors is an integer number (174721206017445).

Almost surely, 2^{745477145674424} is an apocalyptic number.

It is an amenable number.

745477145674424 is a deficient number, since it is larger than the sum of its proper divisors (652292502465136).

745477145674424 is a wasteful number, since it uses less digits than its factorization.

745477145674424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93184643209309 (or 93184643209305 counting only the distinct ones).

The product of its digits is 2950348800, while the sum is 71.

The spelling of 745477145674424 in words is "seven hundred forty-five trillion, four hundred seventy-seven billion, one hundred forty-five million, six hundred seventy-four thousand, four hundred twenty-four".