1142152633 has 4 divisors (see below), whose sum is σ = 1209338100. Its totient is φ = 1074967168.

The previous prime is 1142152601. The next prime is 1142152637. The reversal of 1142152633 is 3362512411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1023168169 + 118984464 = 31987^2 + 10908^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142152633 - 2⁵ = 1142152601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142152637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33592708 + ... + 33592741.

It is an arithmetic number, because the mean of its divisors is an integer number (302334525).

Almost surely, 2^1142152633 is an apocalyptic number.

It is an amenable number.

1142152633 is a deficient number, since it is larger than the sum of its proper divisors (67185467).

1142152633 is an equidigital number, since it uses as much as digits as its factorization.

1142152633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67185466.

The product of its digits is 4320, while the sum is 28.

The square root of 1142152633 is about 33795.7487415207. The cubic root of 1142152633 is about 1045.3010382444.

The spelling of 1142152633 in words is "one billion, one hundred forty-two million, one hundred fifty-two thousand, six hundred thirty-three".