5645144190 has 128 divisors (see below), whose sum is σ = 15792952320. Its totient is φ = 1264693248.

The previous prime is 5645144171. The next prime is 5645144201. The reversal of 5645144190 is 914415465.

It is a super-2 number, since 2×5645144190² = 63735305851781512200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8338132 + ... + 8338808.

It is an arithmetic number, because the mean of its divisors is an integer number (123382440).

Almost surely, 2^5645144190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5645144190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7896476160).

5645144190 is an abundant number, since it is smaller than the sum of its proper divisors (10147808130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5645144190 is a wasteful number, since it uses less digits than its factorization.

5645144190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 5645144190 is about 75134.1745812117. The cubic root of 5645144190 is about 1780.5671077320.

The spelling of 5645144190 in words is "five billion, six hundred forty-five million, one hundred forty-four thousand, one hundred ninety".