45719445 has 8 divisors (see below), whose sum is σ = 73151136. Its totient is φ = 24383696.

The previous prime is 45719437. The next prime is 45719447. The reversal of 45719445 is 54491754.

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

It is a cyclic number.

It is not a de Polignac number, because 45719445 - 2³ = 45719437 is a prime.

It is a super-2 number, since 2×45719445² = 4180535302216050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45719447) 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, 1523967 + ... + 1523996.

It is an arithmetic number, because the mean of its divisors is an integer number (9143892).

Almost surely, 2^45719445 is an apocalyptic number.

It is an amenable number.

45719445 is a deficient number, since it is larger than the sum of its proper divisors (27431691).

45719445 is a wasteful number, since it uses less digits than its factorization.

45719445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047971.

The product of its digits is 100800, while the sum is 39.

The square root of 45719445 is about 6761.6155613877. The cubic root of 45719445 is about 357.5748649185.

It can be divided in two parts, 45719 and 445, that added together give a palindrome (46164).

The spelling of 45719445 in words is "forty-five million, seven hundred nineteen thousand, four hundred forty-five".