2142574285 has 8 divisors (see below), whose sum is σ = 2572978176. Its totient is φ = 1712800080.

The previous prime is 2142574283. The next prime is 2142574297. The reversal of 2142574285 is 5824752412.

It is a happy number.

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

It is not a de Polignac number, because 2142574285 - 2¹ = 2142574283 is a prime.

It is a super-2 number, since 2×2142574285² = 9181249133486522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142574283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149901 + ... + 163570.

It is an arithmetic number, because the mean of its divisors is an integer number (321622272).

Almost surely, 2^2142574285 is an apocalyptic number.

It is an amenable number.

2142574285 is a deficient number, since it is larger than the sum of its proper divisors (430403891).

2142574285 is a wasteful number, since it uses less digits than its factorization.

2142574285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314843.

The product of its digits is 179200, while the sum is 40.

The square root of 2142574285 is about 46287.9496737542. The cubic root of 2142574285 is about 1289.1752605424.

The spelling of 2142574285 in words is "two billion, one hundred forty-two million, five hundred seventy-four thousand, two hundred eighty-five".