1142552506 has 4 divisors (see below), whose sum is σ = 1713828762. Its totient is φ = 571276252.

The previous prime is 1142552503. The next prime is 1142552513. The reversal of 1142552506 is 6052552411.

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

It can be written as a sum of positive squares in only one way, i.e., 794394225 + 348158281 = 28185^2 + 18659^2 .

It is not an unprimeable number, because it can be changed into a prime (1142552503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285638125 + ... + 285638128.

Almost surely, 2^1142552506 is an apocalyptic number.

1142552506 is a deficient number, since it is larger than the sum of its proper divisors (571276256).

1142552506 is an equidigital number, since it uses as much as digits as its factorization.

1142552506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571276255.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 1142552506 is about 33801.6642489686. The cubic root of 1142552506 is about 1045.4230122782.

The spelling of 1142552506 in words is "one billion, one hundred forty-two million, five hundred fifty-two thousand, five hundred six".