2115142522 has 8 divisors (see below), whose sum is σ = 3250097172. Its totient is φ = 1031776800.

The previous prime is 2115142517. The next prime is 2115142531. The reversal of 2115142522 is 2252415112.

It can be written as a sum of positive squares in 2 ways, for example, as 1453058161 + 662084361 = 38119^2 + 25731^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12897129 + ... + 12897292.

Almost surely, 2^2115142522 is an apocalyptic number.

2115142522 is a deficient number, since it is larger than the sum of its proper divisors (1134954650).

2115142522 is a wasteful number, since it uses less digits than its factorization.

2115142522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25794464.

The product of its digits is 1600, while the sum is 25.

The square root of 2115142522 is about 45990.6786425249. The cubic root of 2115142522 is about 1283.6497643206.

Adding to 2115142522 its reverse (2252415112), we get a palindrome (4367557634).

The spelling of 2115142522 in words is "two billion, one hundred fifteen million, one hundred forty-two thousand, five hundred twenty-two".