45503780 has 24 divisors (see below), whose sum is σ = 109209408. Its totient is φ = 15601248.

The previous prime is 45503749. The next prime is 45503797. The reversal of 45503780 is 8730554.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162374 + ... + 162653.

It is an arithmetic number, because the mean of its divisors is an integer number (4550392).

Almost surely, 2^45503780 is an apocalyptic number.

It is an amenable number.

45503780 is an abundant number, since it is smaller than the sum of its proper divisors (63705628).

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

45503780 is a wasteful number, since it uses less digits than its factorization.

45503780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325043 (or 325041 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 45503780 is about 6745.6489680386. The cubic root of 45503780 is about 357.0117350274.

The spelling of 45503780 in words is "forty-five million, five hundred three thousand, seven hundred eighty".