45457452 has 36 divisors (see below), whose sum is σ = 115990056. Its totient is φ = 15009600.

The previous prime is 45457417. The next prime is 45457457. The reversal of 45457452 is 25475454.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45457457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2049 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (3221946).

Almost surely, 2^45457452 is an apocalyptic number.

It is an amenable number.

45457452 is an abundant number, since it is smaller than the sum of its proper divisors (70532604).

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

45457452 is a wasteful number, since it uses less digits than its factorization.

45457452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918 (or 11913 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 45457452 is about 6742.2141763667. The cubic root of 45457452 is about 356.8905344303.

The spelling of 45457452 in words is "forty-five million, four hundred fifty-seven thousand, four hundred fifty-two".