1151443442 has 16 divisors (see below), whose sum is σ = 1759560000. Its totient is φ = 564967440.

The previous prime is 1151443421. The next prime is 1151443481. The reversal of 1151443442 is 2443441511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42809 + ... + 64307.

It is an arithmetic number, because the mean of its divisors is an integer number (109972500).

Almost surely, 2^1151443442 is an apocalyptic number.

1151443442 is a deficient number, since it is larger than the sum of its proper divisors (608116558).

1151443442 is a wasteful number, since it uses less digits than its factorization.

1151443442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22001.

The product of its digits is 7680, while the sum is 29.

The square root of 1151443442 is about 33932.9256327833. The cubic root of 1151443442 is about 1048.1277116713.

Adding to 1151443442 its reverse (2443441511), we get a palindrome (3594884953).

The spelling of 1151443442 in words is "one billion, one hundred fifty-one million, four hundred forty-three thousand, four hundred forty-two".