45454445 has 8 divisors (see below), whose sum is σ = 55875960. Its totient is φ = 35476480.

The previous prime is 45454433. The next prime is 45454459. The reversal of 45454445 is 54445454.

It can be written as a sum of positive squares in 4 ways, for example, as 644809 + 44809636 = 803^2 + 6694^2 .

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

It is not a de Polignac number, because 45454445 - 2⁴ = 45454429 is a prime.

It is a super-2 number, since 2×45454445² = 4132213140516050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110660 + ... + 111069.

It is an arithmetic number, because the mean of its divisors is an integer number (6984495).

Almost surely, 2^45454445 is an apocalyptic number.

It is an amenable number.

45454445 is a deficient number, since it is larger than the sum of its proper divisors (10421515).

45454445 is a wasteful number, since it uses less digits than its factorization.

45454445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221775.

The product of its digits is 128000, while the sum is 35.

The square root of 45454445 is about 6741.9911747198. The cubic root of 45454445 is about 356.8826648479.

Adding to 45454445 its reverse (54445454), we get a palindrome (99899899).

The spelling of 45454445 in words is "forty-five million, four hundred fifty-four thousand, four hundred forty-five".