1151442142 has 8 divisors (see below), whose sum is σ = 1818066600. Its totient is φ = 545419944.

The previous prime is 1151442139. The next prime is 1151442209. The reversal of 1151442142 is 2412441511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15150517 + ... + 15150592.

It is an arithmetic number, because the mean of its divisors is an integer number (227258325).

Almost surely, 2^1151442142 is an apocalyptic number.

1151442142 is a deficient number, since it is larger than the sum of its proper divisors (666624458).

1151442142 is a wasteful number, since it uses less digits than its factorization.

1151442142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30301130.

The product of its digits is 1280, while the sum is 25.

The square root of 1151442142 is about 33932.9064773414. The cubic root of 1151442142 is about 1048.1273172196.

Adding to 1151442142 its reverse (2412441511), we get a palindrome (3563883653).

The spelling of 1151442142 in words is "one billion, one hundred fifty-one million, four hundred forty-two thousand, one hundred forty-two".