45057400445 has 8 divisors (see below), whose sum is σ = 54229324344. Its totient is φ = 35938957824.

The previous prime is 45057400393. The next prime is 45057400447. The reversal of 45057400445 is 54400475054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1560961081 + 43496439364 = 39509^2 + 208558^2 .

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 45057400445 - 2²⁰ = 45056351869 is a prime.

It is a super-2 number, since 2×45057400445² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45057400399 and 45057400408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45057400447) 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, 13368464 + ... + 13371833.

It is an arithmetic number, because the mean of its divisors is an integer number (6778665543).

Almost surely, 2^45057400445 is an apocalyptic number.

It is an amenable number.

45057400445 is a deficient number, since it is larger than the sum of its proper divisors (9171923899).

45057400445 is a wasteful number, since it uses less digits than its factorization.

45057400445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26740639.

The product of its (nonzero) digits is 224000, while the sum is 38.

Adding to 45057400445 its reverse (54400475054), we get a palindrome (99457875499).

The spelling of 45057400445 in words is "forty-five billion, fifty-seven million, four hundred thousand, four hundred forty-five".