5645402 has 8 divisors (see below), whose sum is σ = 9677856. Its totient is φ = 2419452.

The previous prime is 5645383. The next prime is 5645407. The reversal of 5645402 is 2045465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 5² + 6⁵ + 4⁶ + 5⁸ + 4¹⁰ + 0 + 2²² .

It is not an unprimeable number, because it can be changed into a prime (5645407) 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, 201608 + ... + 201635.

It is an arithmetic number, because the mean of its divisors is an integer number (1209732).

Almost surely, 2^5645402 is an apocalyptic number.

5645402 is a deficient number, since it is larger than the sum of its proper divisors (4032454).

5645402 is a wasteful number, since it uses less digits than its factorization.

5645402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403252.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5645402 is about 2376.0054713742. The cubic root of 5645402 is about 178.0594213093.

Subtracting from 5645402 its sum of digits (26), we obtain a square (5645376 = 2376²).

The spelling of 5645402 in words is "five million, six hundred forty-five thousand, four hundred two".