45239658 has 8 divisors (see below), whose sum is σ = 90479328. Its totient is φ = 15079884.

The previous prime is 45239657. The next prime is 45239659. The reversal of 45239658 is 85693254.

45239658 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 (45239657) and next prime (45239659).

It is a sphenic number, since it is the product of 3 distinct primes.

45239658 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45239651) 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 3 ways as a sum of consecutive naturals, for example, 3769966 + ... + 3769977.

It is an arithmetic number, because the mean of its divisors is an integer number (11309916).

Almost surely, 2^45239658 is an apocalyptic number.

45239658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45239658 is a wasteful number, since it uses less digits than its factorization.

45239658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539948.

The product of its digits is 259200, while the sum is 42.

The square root of 45239658 is about 6726.0432648029. The cubic root of 45239658 is about 356.3196483093.

The spelling of 45239658 in words is "forty-five million, two hundred thirty-nine thousand, six hundred fifty-eight".