45395639 has 2 divisors, whose sum is σ = 45395640. Its totient is φ = 45395638.

The previous prime is 45395621. The next prime is 45395671. The reversal of 45395639 is 93659354.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45395639 - 2¹² = 45391543 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45395639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45395689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22697819 + 22697820.

It is an arithmetic number, because the mean of its divisors is an integer number (22697820).

Almost surely, 2^45395639 is an apocalyptic number.

45395639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45395639 is an equidigital number, since it uses as much as digits as its factorization.

45395639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 44.

The square root of 45395639 is about 6737.6285887544. The cubic root of 45395639 is about 356.7286945818.

The spelling of 45395639 in words is "forty-five million, three hundred ninety-five thousand, six hundred thirty-nine".