45019470 has 16 divisors (see below), whose sum is σ = 108046800. Its totient is φ = 12005184.

The previous prime is 45019439. The next prime is 45019477. The reversal of 45019470 is 7491054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1500649 = 45019470 / (4 + 5 + 0 + 1 + 9 + 4 + 7 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45019477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750295 + ... + 750354.

It is an arithmetic number, because the mean of its divisors is an integer number (6752925).

Almost surely, 2^45019470 is an apocalyptic number.

45019470 is an abundant number, since it is smaller than the sum of its proper divisors (63027330).

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

45019470 is a wasteful number, since it uses less digits than its factorization.

45019470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500659.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 45019470 is about 6709.6549836784. The cubic root of 45019470 is about 355.7406213581.

The spelling of 45019470 in words is "forty-five million, nineteen thousand, four hundred seventy".