5401445 has 32 divisors (see below), whose sum is σ = 7865088. Its totient is φ = 3483648.

The previous prime is 5401439. The next prime is 5401447. The reversal of 5401445 is 5441045.

It is not a de Polignac number, because 5401445 - 2¹⁸ = 5139301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5401445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55637 + ... + 55733.

It is an arithmetic number, because the mean of its divisors is an integer number (245784).

Almost surely, 2^5401445 is an apocalyptic number.

It is an amenable number.

5401445 is a deficient number, since it is larger than the sum of its proper divisors (2463643).

5401445 is a wasteful number, since it uses less digits than its factorization.

5401445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5401445 is about 2324.1009014240. The cubic root of 5401445 is about 175.4567118069.

Adding to 5401445 its product of nonzero digits (1600), we get a palindrome (5403045).

The spelling of 5401445 in words is "five million, four hundred one thousand, four hundred forty-five".