745000285023 has 40 divisors (see below), whose sum is σ = 1171586226800. Its totient is φ = 470481996672.

The previous prime is 745000284983. The next prime is 745000285033. The reversal of 745000285023 is 320582000547.

745000285023 is a `hidden beast` number, since 74 + 500 + 0 + 2 + 85 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 745000285023 - 2¹³ = 745000276831 is a prime.

It is a super-2 number, since 2×745000285023² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745000285033) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25491243 + ... + 25520451.

It is an arithmetic number, because the mean of its divisors is an integer number (29289655670).

Almost surely, 2^745000285023 is an apocalyptic number.

745000285023 is a deficient number, since it is larger than the sum of its proper divisors (426585941777).

745000285023 is a wasteful number, since it uses less digits than its factorization.

745000285023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45813 (or 45804 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

It can be divided in two parts, 7450002 and 85023, that added together give a square (7535025 = 2745²).

The spelling of 745000285023 in words is "seven hundred forty-five billion, two hundred eighty-five thousand, twenty-three".