745292827545 has 48 divisors (see below), whose sum is σ = 1387251448128. Its totient is φ = 340682160000.

The previous prime is 745292827493. The next prime is 745292827549. The reversal of 745292827545 is 545728292547.

It is a happy number.

745292827545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 745292827545 - 2⁸ = 745292827289 is a prime.

It is a super-2 number, since 2×745292827545² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (745292827549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15666295 + ... + 15713795.

It is an arithmetic number, because the mean of its divisors is an integer number (28901071836).

Almost surely, 2^745292827545 is an apocalyptic number.

It is an amenable number.

745292827545 is a deficient number, since it is larger than the sum of its proper divisors (641958620583).

745292827545 is a wasteful number, since it uses less digits than its factorization.

745292827545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68870 (or 68863 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 60.

The spelling of 745292827545 in words is "seven hundred forty-five billion, two hundred ninety-two million, eight hundred twenty-seven thousand, five hundred forty-five".