45481148 has 12 divisors (see below), whose sum is σ = 81285792. Its totient is φ = 22256640.

The previous prime is 45481147. The next prime is 45481151. The reversal of 45481148 is 84118454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45481147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120773 + ... + 121148.

It is an arithmetic number, because the mean of its divisors is an integer number (6773816).

Almost surely, 2^45481148 is an apocalyptic number.

It is an amenable number.

45481148 is a deficient number, since it is larger than the sum of its proper divisors (35804644).

45481148 is a wasteful number, since it uses less digits than its factorization.

45481148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241972 (or 241970 counting only the distinct ones).

The product of its digits is 20480, while the sum is 35.

The square root of 45481148 is about 6743.9712336279. The cubic root of 45481148 is about 356.9525367988.

The spelling of 45481148 in words is "forty-five million, four hundred eighty-one thousand, one hundred forty-eight".