45482390 has 48 divisors (see below), whose sum is σ = 88715088. Its totient is φ = 16777152.

The previous prime is 45482369. The next prime is 45482413. The reversal of 45482390 is 9328454.

It is a super-2 number, since 2×45482390² = 4137295600224200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45482390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 155084 + ... + 155376.

It is an arithmetic number, because the mean of its divisors is an integer number (1848231).

Almost surely, 2^45482390 is an apocalyptic number.

45482390 is a deficient number, since it is larger than the sum of its proper divisors (43232698).

45482390 is a wasteful number, since it uses less digits than its factorization.

45482390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 45482390 is about 6744.0633152425. The cubic root of 45482390 is about 356.9557859913.

The spelling of 45482390 in words is "forty-five million, four hundred eighty-two thousand, three hundred ninety".