1142522152 has 8 divisors (see below), whose sum is σ = 2142229050. Its totient is φ = 571261072.

The previous prime is 1142522093. The next prime is 1142522153. The reversal of 1142522152 is 2512252411.

It can be written as a sum of positive squares in only one way, i.e., 582063876 + 560458276 = 24126^2 + 23674^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1142522152² = 2610713735621422208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1142522153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71407627 + ... + 71407642.

Almost surely, 2^1142522152 is an apocalyptic number.

It is an amenable number.

1142522152 is a deficient number, since it is larger than the sum of its proper divisors (999706898).

1142522152 is a wasteful number, since it uses less digits than its factorization.

1142522152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142815275 (or 142815271 counting only the distinct ones).

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

The square root of 1142522152 is about 33801.2152444258. The cubic root of 1142522152 is about 1045.4137543372.

Adding to 1142522152 its reverse (2512252411), we get a palindrome (3654774563).

The spelling of 1142522152 in words is "one billion, one hundred forty-two million, five hundred twenty-two thousand, one hundred fifty-two".