45481238 has 24 divisors (see below), whose sum is σ = 75513144. Its totient is φ = 20528640.

The previous prime is 45481223. The next prime is 45481243. The reversal of 45481238 is 83218454.

It is a junction number, because it is equal to n+sod(n) for n = 45481198 and 45481207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38870 + ... + 40022.

It is an arithmetic number, because the mean of its divisors is an integer number (3146381).

Almost surely, 2^45481238 is an apocalyptic number.

45481238 is a deficient number, since it is larger than the sum of its proper divisors (30031906).

45481238 is a wasteful number, since it uses less digits than its factorization.

45481238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340 (or 1329 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 45481238 is about 6743.9779062509. The cubic root of 45481238 is about 356.9527722495.

The spelling of 45481238 in words is "forty-five million, four hundred eighty-one thousand, two hundred thirty-eight".