45021452 has 24 divisors (see below), whose sum is σ = 92478624. Its totient is φ = 18772992.

The previous prime is 45021407. The next prime is 45021463. The reversal of 45021452 is 25412054.

It is a happy number.

It is a super-2 number, since 2×45021452² = 4053862280376608, which contains 22 as substring.

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, 20693 + ... + 22764.

It is an arithmetic number, because the mean of its divisors is an integer number (3853276).

Almost surely, 2^45021452 is an apocalyptic number.

It is an amenable number.

45021452 is an abundant number, since it is smaller than the sum of its proper divisors (47457172).

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

45021452 is a wasteful number, since it uses less digits than its factorization.

45021452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43505 (or 43503 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45021452 is about 6709.8026796620. The cubic root of 45021452 is about 355.7458418221.

The spelling of 45021452 in words is "forty-five million, twenty-one thousand, four hundred fifty-two".