45020838 has 16 divisors (see below), whose sum is σ = 90112320. Its totient is φ = 14995176.

The previous prime is 45020837. The next prime is 45020839. The reversal of 45020838 is 83802054.

It is an interprime number because it is at equal distance from previous prime (45020837) and next prime (45020839).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9193 + ... + 13211.

It is an arithmetic number, because the mean of its divisors is an integer number (5632020).

Almost surely, 2^45020838 is an apocalyptic number.

45020838 is an abundant number, since it is smaller than the sum of its proper divisors (45091482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45020838 is a wasteful number, since it uses less digits than its factorization.

45020838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 45020838 is about 6709.7569255525. The cubic root of 45020838 is about 355.7442246009.

The spelling of 45020838 in words is "forty-five million, twenty thousand, eight hundred thirty-eight".