45373639 has 2 divisors, whose sum is σ = 45373640. Its totient is φ = 45373638.

The previous prime is 45373633. The next prime is 45373649. The reversal of 45373639 is 93637354.

45373639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45373639 - 2¹³ = 45365447 is a prime.

It is a super-2 number, since 2×45373639² = 4117534232204642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45373633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22686819 + 22686820.

It is an arithmetic number, because the mean of its divisors is an integer number (22686820).

Almost surely, 2^45373639 is an apocalyptic number.

45373639 is a deficient number, since it is larger than the sum of its proper divisors (1).

45373639 is an equidigital number, since it uses as much as digits as its factorization.

45373639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 204120, while the sum is 40.

The square root of 45373639 is about 6735.9957690010. The cubic root of 45373639 is about 356.6710583596.

The spelling of 45373639 in words is "forty-five million, three hundred seventy-three thousand, six hundred thirty-nine".