45181004 has 24 divisors (see below), whose sum is σ = 86619456. Its totient is φ = 20450000.

The previous prime is 45181001. The next prime is 45181007. The reversal of 45181004 is 40018154.

It is an interprime number because it is at equal distance from previous prime (45181001) and next prime (45181007).

It is not an unprimeable number, because it can be changed into a prime (45181001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8999 + ... + 13089.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144).

Almost surely, 2^45181004 is an apocalyptic number.

45181004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

45181004 is a deficient number, since it is larger than the sum of its proper divisors (41438452).

45181004 is a wasteful number, since it uses less digits than its factorization.

45181004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4357 (or 4355 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 45181004 is about 6721.6816348292. The cubic root of 45181004 is about 356.1655901790.

Adding to 45181004 its reverse (40018154), we get a palindrome (85199158).

The spelling of 45181004 in words is "forty-five million, one hundred eighty-one thousand, four".