44545401 has 6 divisors (see below), whose sum is σ = 64343370. Its totient is φ = 29696928.

The previous prime is 44545379. The next prime is 44545409. The reversal of 44545401 is 10454544.

It can be written as a sum of positive squares in only one way, i.e., 44156025 + 389376 = 6645^2 + 624^2 .

It is not a de Polignac number, because 44545401 - 2⁹ = 44544889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44545409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2474736 + ... + 2474753.

It is an arithmetic number, because the mean of its divisors is an integer number (10723895).

Almost surely, 2^44545401 is an apocalyptic number.

It is an amenable number.

44545401 is a deficient number, since it is larger than the sum of its proper divisors (19797969).

44545401 is a wasteful number, since it uses less digits than its factorization.

44545401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4949495 (or 4949492 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 44545401 is about 6674.2341133646. The cubic root of 44545401 is about 354.4875261104.

Adding to 44545401 its reverse (10454544), we get a palindrome (54999945).

The spelling of 44545401 in words is "forty-four million, five hundred forty-five thousand, four hundred one".