45303639 has 16 divisors (see below), whose sum is σ = 62054784. Its totient is φ = 29383200.

The previous prime is 45303637. The next prime is 45303653. The reversal of 45303639 is 93630354.

It is not a de Polignac number, because 45303639 - 2¹ = 45303637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45303631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42169 + ... + 43229.

It is an arithmetic number, because the mean of its divisors is an integer number (3878424).

Almost surely, 2^45303639 is an apocalyptic number.

45303639 is a deficient number, since it is larger than the sum of its proper divisors (16751145).

45303639 is a wasteful number, since it uses less digits than its factorization.

45303639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 45303639 is about 6730.7977981811. The cubic root of 45303639 is about 356.4875463404.

The spelling of 45303639 in words is "forty-five million, three hundred three thousand, six hundred thirty-nine".