45146452 has 24 divisors (see below), whose sum is σ = 85269800. Its totient is φ = 20791296.

The previous prime is 45146429. The next prime is 45146467. The reversal of 45146452 is 25464154.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 470596 + 44675856 = 686^2 + 6684^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 39424 + ... + 40552.

Almost surely, 2^45146452 is an apocalyptic number.

It is an amenable number.

45146452 is a deficient number, since it is larger than the sum of its proper divisors (40123348).

45146452 is a wasteful number, since it uses less digits than its factorization.

45146452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1913 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 45146452 is about 6719.1109530949. The cubic root of 45146452 is about 356.0747749339.

The spelling of 45146452 in words is "forty-five million, one hundred forty-six thousand, four hundred fifty-two".