2142545022 has 24 divisors (see below), whose sum is σ = 4650782760. Its totient is φ = 712858320.

The previous prime is 2142544993. The next prime is 2142545023. The reversal of 2142545022 is 2205452412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142545023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100272 + ... + 119747.

It is an arithmetic number, because the mean of its divisors is an integer number (193782615).

Almost surely, 2^2142545022 is an apocalyptic number.

2142545022 is an abundant number, since it is smaller than the sum of its proper divisors (2508237738).

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

2142545022 is a wasteful number, since it uses less digits than its factorization.

2142545022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220568 (or 220565 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 2142545022 is about 46287.6335752866. The cubic root of 2142545022 is about 1289.1693913865.

Adding to 2142545022 its reverse (2205452412), we get a palindrome (4347997434).

The spelling of 2142545022 in words is "two billion, one hundred forty-two million, five hundred forty-five thousand, twenty-two".