45601639 has 2 divisors, whose sum is σ = 45601640. Its totient is φ = 45601638.

The previous prime is 45601627. The next prime is 45601643. The reversal of 45601639 is 93610654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45601639 - 2¹⁷ = 45470567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45631639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22800819 + 22800820.

It is an arithmetic number, because the mean of its divisors is an integer number (22800820).

Almost surely, 2^45601639 is an apocalyptic number.

45601639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45601639 is an equidigital number, since it uses as much as digits as its factorization.

45601639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 45601639 is about 6752.8985628395. The cubic root of 45601639 is about 357.2674778586.

The spelling of 45601639 in words is "forty-five million, six hundred one thousand, six hundred thirty-nine".