45541444 has 18 divisors (see below), whose sum is σ = 86300970. Its totient is φ = 21018816.

The previous prime is 45541411. The next prime is 45541471. The reversal of 45541444 is 44414554.

It can be written as a sum of positive squares in 3 ways, for example, as 6002500 + 39538944 = 2450^2 + 6288^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33009 + ... + 34360.

Almost surely, 2^45541444 is an apocalyptic number.

It is an amenable number.

45541444 is a deficient number, since it is larger than the sum of its proper divisors (40759526).

45541444 is a wasteful number, since it uses less digits than its factorization.

45541444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67399 (or 67384 counting only the distinct ones).

The product of its digits is 25600, while the sum is 31.

The square root of 45541444 is about 6748.4401160565. The cubic root of 45541444 is about 357.1102087641.

Adding to 45541444 its reverse (44414554), we get a palindrome (89955998).

The spelling of 45541444 in words is "forty-five million, five hundred forty-one thousand, four hundred forty-four".