45123452 has 24 divisors (see below), whose sum is σ = 88249392. Its totient is φ = 20009600.

The previous prime is 45123451. The next prime is 45123487. The reversal of 45123452 is 25432154.

It is a happy number.

45123452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×45123452³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45123451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10703 + ... + 14310.

It is an arithmetic number, because the mean of its divisors is an integer number (3677058).

Almost surely, 2^45123452 is an apocalyptic number.

It is an amenable number.

45123452 is a deficient number, since it is larger than the sum of its proper divisors (43125940).

45123452 is a wasteful number, since it uses less digits than its factorization.

45123452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25069 (or 25067 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 45123452 is about 6717.3991990948. The cubic root of 45123452 is about 356.0142968630.

The spelling of 45123452 in words is "forty-five million, one hundred twenty-three thousand, four hundred fifty-two".