45502000 has 40 divisors (see below), whose sum is σ = 110028672. Its totient is φ = 18200000.

The previous prime is 45501991. The next prime is 45502003. The reversal of 45502000 is 20554.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (45502003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9376 + ... + 13375.

Almost surely, 2^45502000 is an apocalyptic number.

45502000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45502000 is an abundant number, since it is smaller than the sum of its proper divisors (64526672).

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

45502000 is a wasteful number, since it uses less digits than its factorization.

45502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22774 (or 22758 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 45502000 is about 6745.5170298503. The cubic root of 45502000 is about 357.0070798158.

Adding to 45502000 its reverse (20554), we get a palindrome (45522554).

The spelling of 45502000 in words is "forty-five million, five hundred two thousand".