45880380 has 144 divisors (see below), whose sum is σ = 171347904. Its totient is φ = 9676800.

The previous prime is 45880369. The next prime is 45880391. The reversal of 45880380 is 8308854.

It is an interprime number because it is at equal distance from previous prime (45880369) and next prime (45880391).

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 47 ways as a sum of consecutive naturals, for example, 14980 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (1189916).

Almost surely, 2^45880380 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 45880380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85673952).

45880380 is an abundant number, since it is smaller than the sum of its proper divisors (125467524).

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

45880380 is a wasteful number, since it uses less digits than its factorization.

45880380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2836 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 45880380 is about 6773.5057392756. The cubic root of 45880380 is about 357.9939347515.

The spelling of 45880380 in words is "forty-five million, eight hundred eighty thousand, three hundred eighty".