45883890 has 48 divisors (see below), whose sum is σ = 128478168. Its totient is φ = 11294208.

The previous prime is 45883883. The next prime is 45883897. The reversal of 45883890 is 9838854.

45883890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45883883) and next prime (45883897).

It can be written as a sum of positive squares in 4 ways, for example, as 19474569 + 26409321 = 4413^2 + 5139^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (45883897) 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 in 23 ways as a sum of consecutive naturals, for example, 18439 + ... + 20778.

Almost surely, 2^45883890 is an apocalyptic number.

45883890 is an abundant number, since it is smaller than the sum of its proper divisors (82594278).

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

45883890 is a wasteful number, since it uses less digits than its factorization.

45883890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39243 (or 39240 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 45883890 is about 6773.7648320561. The cubic root of 45883890 is about 358.0030637566.

It can be divided in two parts, 458 and 83890, that added together give a palindrome (84348).

The spelling of 45883890 in words is "forty-five million, eight hundred eighty-three thousand, eight hundred ninety".