745265473406145 has 24 divisors (see below), whose sum is σ = 1292240939311296. Its totient is φ = 397337241588768.

The previous prime is 745265473406117. The next prime is 745265473406197. The reversal of 745265473406145 is 541604374562547.

745265473406145 is a `hidden beast` number, since 7 + 4 + 5 + 2 + 6 + 5 + 4 + 7 + 3 + 4 + 0 + 614 + 5 = 666.

It is not a de Polignac number, because 745265473406145 - 2⁷ = 745265473406017 is a prime.

It is a super-2 number, since 2×745265473406145² (a number of 31 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2868151167 + ... + 2868410996.

It is an arithmetic number, because the mean of its divisors is an integer number (53843372471304).

Almost surely, 2^{745265473406145} is an apocalyptic number.

It is an amenable number.

745265473406145 is a deficient number, since it is larger than the sum of its proper divisors (546975465905151).

745265473406145 is a wasteful number, since it uses less digits than its factorization.

745265473406145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736565061 (or 5736565058 counting only the distinct ones).

The product of its (nonzero) digits is 338688000, while the sum is 63.

The spelling of 745265473406145 in words is "seven hundred forty-five trillion, two hundred sixty-five billion, four hundred seventy-three million, four hundred six thousand, one hundred forty-five".