45450636 has 72 divisors (see below), whose sum is σ = 134600256. Its totient is φ = 11803680.

The previous prime is 45450631. The next prime is 45450653. The reversal of 45450636 is 63605454.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 45450597 and 45450606.

It is not an unprimeable number, because it can be changed into a prime (45450631) 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, 2955 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (1869448).

Almost surely, 2^45450636 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 45450636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67300128).

45450636 is an abundant number, since it is smaller than the sum of its proper divisors (89149620).

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

45450636 is a wasteful number, since it uses less digits than its factorization.

45450636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7059 (or 7050 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 45450636 is about 6741.7086854892. The cubic root of 45450636 is about 356.8726958628.

The spelling of 45450636 in words is "forty-five million, four hundred fifty thousand, six hundred thirty-six".