45152144 has 10 divisors (see below), whose sum is σ = 87482310. Its totient is φ = 22576064.

The previous prime is 45152143. The next prime is 45152147. The reversal of 45152144 is 44125154.

45152144 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 only one way, i.e., 44890000 + 262144 = 6700^2 + 512^2 .

It is a super-2 number, since 2×45152144² = 4077432215593472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45152143) 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 as a sum of consecutive naturals, namely, 1410989 + ... + 1411020.

It is an arithmetic number, because the mean of its divisors is an integer number (8748231).

Almost surely, 2^45152144 is an apocalyptic number.

It is an amenable number.

45152144 is a deficient number, since it is larger than the sum of its proper divisors (42330166).

45152144 is a wasteful number, since it uses less digits than its factorization.

45152144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822017 (or 2822011 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 45152144 is about 6719.5345076873. The cubic root of 45152144 is about 356.0897387709.

Adding to 45152144 its reverse (44125154), we get a palindrome (89277298).

The spelling of 45152144 in words is "forty-five million, one hundred fifty-two thousand, one hundred forty-four".