45381502 has 8 divisors (see below), whose sum is σ = 69226200. Its totient is φ = 22306104.

The previous prime is 45381493. The next prime is 45381503. The reversal of 45381502 is 20518354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45381503) 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, 192177 + ... + 192412.

It is an arithmetic number, because the mean of its divisors is an integer number (8653275).

Almost surely, 2^45381502 is an apocalyptic number.

45381502 is a deficient number, since it is larger than the sum of its proper divisors (23844698).

45381502 is a wasteful number, since it uses less digits than its factorization.

45381502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384650.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 45381502 is about 6736.5793990719. The cubic root of 45381502 is about 356.6916602083.

Adding to 45381502 its reverse (20518354), we get a palindrome (65899856).

The spelling of 45381502 in words is "forty-five million, three hundred eighty-one thousand, five hundred two".