45355445 has 8 divisors (see below), whose sum is σ = 54926520. Its totient is φ = 35951040.

The previous prime is 45355441. The next prime is 45355447. The reversal of 45355445 is 54455354.

It can be written as a sum of positive squares in 4 ways, for example, as 7187761 + 38167684 = 2681^2 + 6178^2 .

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

It is not a de Polignac number, because 45355445 - 2² = 45355441 is a prime.

It is a super-2 number, since 2×45355445² = 4114232782296050, 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 (45355441) 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, 41066 + ... + 42155.

It is an arithmetic number, because the mean of its divisors is an integer number (6865815).

Almost surely, 2^45355445 is an apocalyptic number.

It is an amenable number.

45355445 is a deficient number, since it is larger than the sum of its proper divisors (9571075).

45355445 is a wasteful number, since it uses less digits than its factorization.

45355445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83335.

The product of its digits is 120000, while the sum is 35.

The square root of 45355445 is about 6734.6451279930. The cubic root of 45355445 is about 356.6233791275.

Subtracting 45355445 from its reverse (54455354), we obtain a palindrome (9099909).

The spelling of 45355445 in words is "forty-five million, three hundred fifty-five thousand, four hundred forty-five".