45019130 has 32 divisors (see below), whose sum is σ = 90091008. Its totient is φ = 16084800.

The previous prime is 45019129. The next prime is 45019147. The reversal of 45019130 is 3191054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 45019096 and 45019105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1556 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (2815344).

Almost surely, 2^45019130 is an apocalyptic number.

45019130 is an abundant number, since it is smaller than the sum of its proper divisors (45071878).

45019130 is a wasteful number, since it uses less digits than its factorization.

45019130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11222.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 45019130 is about 6709.6296470074. The cubic root of 45019130 is about 355.7397258040.

It can be divided in two parts, 4501 and 9130, that added together give a palindrome (13631).

The spelling of 45019130 in words is "forty-five million, nineteen thousand, one hundred thirty".