45302745 has 32 divisors (see below), whose sum is σ = 78180480. Its totient is φ = 22325760.

The previous prime is 45302743. The next prime is 45302759. The reversal of 45302745 is 54720354.

It is not a de Polignac number, because 45302745 - 2¹ = 45302743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45302743) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9747 + ... + 13623.

It is an arithmetic number, because the mean of its divisors is an integer number (2443140).

Almost surely, 2^45302745 is an apocalyptic number.

It is an amenable number.

45302745 is a deficient number, since it is larger than the sum of its proper divisors (32877735).

45302745 is a wasteful number, since it uses less digits than its factorization.

45302745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 45302745 is about 6730.7313867068. The cubic root of 45302745 is about 356.4852014076.

The spelling of 45302745 in words is "forty-five million, three hundred two thousand, seven hundred forty-five".