45148052 has 24 divisors (see below), whose sum is σ = 82281192. Its totient is φ = 21657600.

The previous prime is 45148049. The next prime is 45148067. The reversal of 45148052 is 25084154.

45148052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13293316 + 31854736 = 3646^2 + 5644^2 .

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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, 7748 + ... + 12260.

It is an arithmetic number, because the mean of its divisors is an integer number (3428383).

Almost surely, 2^45148052 is an apocalyptic number.

It is an amenable number.

45148052 is a deficient number, since it is larger than the sum of its proper divisors (37133140).

45148052 is a wasteful number, since it uses less digits than its factorization.

45148052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4619 (or 4617 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 45148052 is about 6719.2300154110. The cubic root of 45148052 is about 356.0789813399.

The spelling of 45148052 in words is "forty-five million, one hundred forty-eight thousand, fifty-two".