45407477 has 2 divisors, whose sum is σ = 45407478. Its totient is φ = 45407476.

The previous prime is 45407443. The next prime is 45407489. The reversal of 45407477 is 77470454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31820881 + 13586596 = 5641^2 + 3686^2 .

It is a cyclic number.

It is not a de Polignac number, because 45407477 - 2¹⁰ = 45406453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45407477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45407407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22703738 + 22703739.

It is an arithmetic number, because the mean of its divisors is an integer number (22703739).

Almost surely, 2^45407477 is an apocalyptic number.

It is an amenable number.

45407477 is a deficient number, since it is larger than the sum of its proper divisors (1).

45407477 is an equidigital number, since it uses as much as digits as its factorization.

45407477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 109760, while the sum is 38.

The square root of 45407477 is about 6738.5070304927. The cubic root of 45407477 is about 356.7597004035.

The spelling of 45407477 in words is "forty-five million, four hundred seven thousand, four hundred seventy-seven".