45386639 has 2 divisors, whose sum is σ = 45386640. Its totient is φ = 45386638.

The previous prime is 45386609. The next prime is 45386657. The reversal of 45386639 is 93668354.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45386639 - 2¹⁶ = 45321103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45386639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45386609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22693319 + 22693320.

It is an arithmetic number, because the mean of its divisors is an integer number (22693320).

Almost surely, 2^45386639 is an apocalyptic number.

45386639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45386639 is an equidigital number, since it uses as much as digits as its factorization.

45386639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 45386639 is about 6736.9606648696. The cubic root of 45386639 is about 356.7051183785.

The spelling of 45386639 in words is "forty-five million, three hundred eighty-six thousand, six hundred thirty-nine".