45406441 has 4 divisors (see below), whose sum is σ = 45695812. Its totient is φ = 45117072.

The previous prime is 45406423. The next prime is 45406453. The reversal of 45406441 is 14460454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18147600 + 27258841 = 4260^2 + 5221^2 .

It is a cyclic number.

It is not a de Polignac number, because 45406441 - 2²¹ = 43309289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45406411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144450 + ... + 144763.

It is an arithmetic number, because the mean of its divisors is an integer number (11423953).

Almost surely, 2^45406441 is an apocalyptic number.

It is an amenable number.

45406441 is a deficient number, since it is larger than the sum of its proper divisors (289371).

45406441 is a wasteful number, since it uses less digits than its factorization.

45406441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289370.

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

The square root of 45406441 is about 6738.4301584271. The cubic root of 45406441 is about 356.7569871509.

Adding to 45406441 its product of nonzero digits (7680), we get a square (45414121 = 6739²).

Adding to 45406441 its reverse (14460454), we get a palindrome (59866895).

The spelling of 45406441 in words is "forty-five million, four hundred six thousand, four hundred forty-one".