1151142046 has 24 divisors (see below), whose sum is σ = 1847121840. Its totient is φ = 536188800.

The previous prime is 1151142017. The next prime is 1151142053. The reversal of 1151142046 is 6402411511.

It is a super-2 number, since 2×1151142046² = 2650256020138132232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1151142046.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 345175 + ... + 348493.

It is an arithmetic number, because the mean of its divisors is an integer number (76963410).

Almost surely, 2^1151142046 is an apocalyptic number.

1151142046 is a deficient number, since it is larger than the sum of its proper divisors (695979794).

1151142046 is a wasteful number, since it uses less digits than its factorization.

1151142046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3439 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1151142046 is about 33928.4842868054. The cubic root of 1151142046 is about 1048.0362528249.

Adding to 1151142046 its reverse (6402411511), we get a palindrome (7553553557).

The spelling of 1151142046 in words is "one billion, one hundred fifty-one million, one hundred forty-two thousand, forty-six".