1142102525 has 6 divisors (see below), whose sum is σ = 1416207162. Its totient is φ = 913682000.

The previous prime is 1142102509. The next prime is 1142102531. The reversal of 1142102525 is 5252012411.

It can be written as a sum of positive squares in 3 ways, for example, as 30946969 + 1111155556 = 5563^2 + 33334^2 .

It is not a de Polignac number, because 1142102525 - 2⁴ = 1142102509 is a prime.

It is a super-2 number, since 2×1142102525² = 2608796355222751250, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142102525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22842026 + ... + 22842075.

It is an arithmetic number, because the mean of its divisors is an integer number (236034527).

Almost surely, 2^1142102525 is an apocalyptic number.

It is an amenable number.

1142102525 is a deficient number, since it is larger than the sum of its proper divisors (274104637).

1142102525 is an equidigital number, since it uses as much as digits as its factorization.

1142102525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45684111 (or 45684106 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1142102525 is about 33795.0073975432. The cubic root of 1142102525 is about 1045.2857516972.

Adding to 1142102525 its reverse (5252012411), we get a palindrome (6394114936).

The spelling of 1142102525 in words is "one billion, one hundred forty-two million, one hundred two thousand, five hundred twenty-five".