45381510 has 48 divisors (see below), whose sum is σ = 118329120. Its totient is φ = 12067200.

The previous prime is 45381509. The next prime is 45381529. The reversal of 45381510 is 1518354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53671 + ... + 54509.

It is an arithmetic number, because the mean of its divisors is an integer number (2465190).

Almost surely, 2^45381510 is an apocalyptic number.

45381510 is an abundant number, since it is smaller than the sum of its proper divisors (72947610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45381510 is a wasteful number, since it uses less digits than its factorization.

45381510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 45381510 is about 6736.5799928450. The cubic root of 45381510 is about 356.6916811679.

Adding to 45381510 its reverse (1518354), we get a palindrome (46899864).

The spelling of 45381510 in words is "forty-five million, three hundred eighty-one thousand, five hundred ten".