44622145 has 12 divisors (see below), whose sum is σ = 54894780. Its totient is φ = 34820480.

The previous prime is 44622119. The next prime is 44622157. The reversal of 44622145 is 54122644.

It can be written as a sum of positive squares in 6 ways, for example, as 31539456 + 13082689 = 5616^2 + 3617^2 .

It is not a de Polignac number, because 44622145 - 2¹³ = 44613953 is a prime.

It is a super-2 number, since 2×44622145² = 3982271648802050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5751 + ... + 11059.

It is an arithmetic number, because the mean of its divisors is an integer number (4574565).

Almost surely, 2^44622145 is an apocalyptic number.

It is an amenable number.

44622145 is a deficient number, since it is larger than the sum of its proper divisors (10272635).

44622145 is an equidigital number, since it uses as much as digits as its factorization.

44622145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396 (or 5355 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 44622145 is about 6679.9809131464. The cubic root of 44622145 is about 354.6909828234.

Adding to 44622145 its reverse (54122644), we get a palindrome (98744789).

The spelling of 44622145 in words is "forty-four million, six hundred twenty-two thousand, one hundred forty-five".