1142663163 has 8 divisors (see below), whose sum is σ = 1548527376. Its totient is φ = 749287200.

The previous prime is 1142663141. The next prime is 1142663213. The reversal of 1142663163 is 3613662411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142663163 - 2¹³ = 1142654971 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1142662163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3121848 + ... + 3122213.

It is an arithmetic number, because the mean of its divisors is an integer number (193565922).

Almost surely, 2^1142663163 is an apocalyptic number.

1142663163 is a deficient number, since it is larger than the sum of its proper divisors (405864213).

1142663163 is an equidigital number, since it uses as much as digits as its factorization.

1142663163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6244125.

The product of its digits is 15552, while the sum is 33.

The square root of 1142663163 is about 33803.3010666118. The cubic root of 1142663163 is about 1045.4567611692.

The spelling of 1142663163 in words is "one billion, one hundred forty-two million, six hundred sixty-three thousand, one hundred sixty-three".