45492445 has 8 divisors (see below), whose sum is σ = 56473560. Its totient is φ = 35138880.

The previous prime is 45492437. The next prime is 45492449. The reversal of 45492445 is 54429454.

It can be written as a sum of positive squares in 4 ways, for example, as 10517049 + 34975396 = 3243^2 + 5914^2 .

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

It is not a de Polignac number, because 45492445 - 2³ = 45492437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45492449) 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, 156726 + ... + 157015.

It is an arithmetic number, because the mean of its divisors is an integer number (7059195).

Almost surely, 2^45492445 is an apocalyptic number.

It is an amenable number.

45492445 is a deficient number, since it is larger than the sum of its proper divisors (10981115).

45492445 is a wasteful number, since it uses less digits than its factorization.

45492445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313775.

The product of its digits is 115200, while the sum is 37.

The square root of 45492445 is about 6744.8087445086. The cubic root of 45492445 is about 356.9820886692.

The spelling of 45492445 in words is "forty-five million, four hundred ninety-two thousand, four hundred forty-five".