745929945 has 64 divisors (see below), whose sum is σ = 1350708480. Its totient is φ = 390528000.

The previous prime is 745929937. The next prime is 745929971. The reversal of 745929945 is 549929547.

745929945 is a `hidden beast` number, since 7 + 4 + 592 + 9 + 9 + 45 = 666.

It is not a de Polignac number, because 745929945 - 2³ = 745929937 is a prime.

It is a super-2 number, since 2×745929945² = 1112822965695406050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 745929891 and 745929900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3095025 + ... + 3095265.

It is an arithmetic number, because the mean of its divisors is an integer number (21104820).

Almost surely, 2^745929945 is an apocalyptic number.

It is an amenable number.

745929945 is a deficient number, since it is larger than the sum of its proper divisors (604778535).

745929945 is a wasteful number, since it uses less digits than its factorization.

745929945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 577 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 54.

The square root of 745929945 is about 27311.7180894941. The cubic root of 745929945 is about 906.9138076247.

The spelling of 745929945 in words is "seven hundred forty-five million, nine hundred twenty-nine thousand, nine hundred forty-five".