45428737 has 2 divisors, whose sum is σ = 45428738. Its totient is φ = 45428736.

The previous prime is 45428729. The next prime is 45428767. The reversal of 45428737 is 73782454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35034561 + 10394176 = 5919^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 45428737 - 2³ = 45428729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45428737.

It is not a weakly prime, because it can be changed into another prime (45428707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22714368 + 22714369.

It is an arithmetic number, because the mean of its divisors is an integer number (22714369).

Almost surely, 2^45428737 is an apocalyptic number.

It is an amenable number.

45428737 is a deficient number, since it is larger than the sum of its proper divisors (1).

45428737 is an equidigital number, since it uses as much as digits as its factorization.

45428737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188160, while the sum is 40.

The square root of 45428737 is about 6740.0843466532. The cubic root of 45428737 is about 356.8153705875.

The spelling of 45428737 in words is "forty-five million, four hundred twenty-eight thousand, seven hundred thirty-seven".