45918645 has 8 divisors (see below), whose sum is σ = 73469856. Its totient is φ = 24489936.

The previous prime is 45918643. The next prime is 45918661. The reversal of 45918645 is 54681954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45918645 - 2¹ = 45918643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45918597 and 45918606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45918643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1530607 + ... + 1530636.

It is an arithmetic number, because the mean of its divisors is an integer number (9183732).

Almost surely, 2^45918645 is an apocalyptic number.

It is an amenable number.

45918645 is a deficient number, since it is larger than the sum of its proper divisors (27551211).

45918645 is a wasteful number, since it uses less digits than its factorization.

45918645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061251.

The product of its digits is 172800, while the sum is 42.

The square root of 45918645 is about 6776.3297588001. The cubic root of 45918645 is about 358.0934313946.

It can be divided in two parts, 45 and 918645, that added together give a triangular number (918690 = T₁₃₅₅).

The spelling of 45918645 in words is "forty-five million, nine hundred eighteen thousand, six hundred forty-five".