2142445254 has 16 divisors (see below), whose sum is σ = 4290442992. Its totient is φ = 713223008.

The previous prime is 2142445237. The next prime is 2142445273. The reversal of 2142445254 is 4525442412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226329 + ... + 235604.

It is an arithmetic number, because the mean of its divisors is an integer number (268152687).

Almost surely, 2^2142445254 is an apocalyptic number.

2142445254 is an abundant number, since it is smaller than the sum of its proper divisors (2147997738).

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

2142445254 is a wasteful number, since it uses less digits than its factorization.

2142445254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462711.

The product of its digits is 51200, while the sum is 33.

The square root of 2142445254 is about 46286.5558666877. Note that the first 3 decimals coincide. The cubic root of 2142445254 is about 1289.1493809399.

Adding to 2142445254 its reverse (4525442412), we get a palindrome (6667887666).

The spelling of 2142445254 in words is "two billion, one hundred forty-two million, four hundred forty-five thousand, two hundred fifty-four".