1142522652 has 12 divisors (see below), whose sum is σ = 2665886216. Its totient is φ = 380840880.

The previous prime is 1142522629. The next prime is 1142522653. The reversal of 1142522652 is 2562252411.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1142522652² = 2610716020666226208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142522653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47605099 + ... + 47605122.

Almost surely, 2^1142522652 is an apocalyptic number.

1142522652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1142522652 is an abundant number, since it is smaller than the sum of its proper divisors (1523363564).

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

1142522652 is a wasteful number, since it uses less digits than its factorization.

1142522652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95210228 (or 95210226 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 1142522652 is about 33801.2226406087. Note that the first 3 decimals coincide. The cubic root of 1142522652 is about 1045.4139068380.

The spelling of 1142522652 in words is "one billion, one hundred forty-two million, five hundred twenty-two thousand, six hundred fifty-two".