45242748 has 72 divisors (see below), whose sum is σ = 120740256. Its totient is φ = 14256000.

The previous prime is 45242737. The next prime is 45242767. The reversal of 45242748 is 84724254.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83358 + ... + 83898.

It is an arithmetic number, because the mean of its divisors is an integer number (1676948).

Almost surely, 2^45242748 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 45242748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60370128).

45242748 is an abundant number, since it is smaller than the sum of its proper divisors (75497508).

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

45242748 is a wasteful number, since it uses less digits than its factorization.

45242748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 670 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 45242748 is about 6726.2729650231. The cubic root of 45242748 is about 356.3277606802.

The spelling of 45242748 in words is "forty-five million, two hundred forty-two thousand, seven hundred forty-eight".