45817548 has 72 divisors (see below), whose sum is σ = 126326592. Its totient is φ = 12884256.

The previous prime is 45817543. The next prime is 45817549. The reversal of 45817548 is 84571854.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (45817543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38815 + ... + 39977.

It is an arithmetic number, because the mean of its divisors is an integer number (1754536).

Almost surely, 2^45817548 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45817548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63163296).

45817548 is an abundant number, since it is smaller than the sum of its proper divisors (80509044).

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

45817548 is a wasteful number, since it uses less digits than its factorization.

45817548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251 (or 1242 counting only the distinct ones).

The product of its digits is 179200, while the sum is 42.

The square root of 45817548 is about 6768.8660793371. The cubic root of 45817548 is about 357.8304389333.

The spelling of 45817548 in words is "forty-five million, eight hundred seventeen thousand, five hundred forty-eight".