1140454342 has 32 divisors (see below), whose sum is σ = 1795825152. Its totient is φ = 542644704.

The previous prime is 1140454339. The next prime is 1140454363. The reversal of 1140454342 is 2434540411.

It is a super-2 number, since 2×1140454342² = 2601272212373305928, 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 1140454342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143388 + ... + 1144384.

It is an arithmetic number, because the mean of its divisors is an integer number (56119536).

Almost surely, 2^1140454342 is an apocalyptic number.

1140454342 is a deficient number, since it is larger than the sum of its proper divisors (655370810).

1140454342 is a wasteful number, since it uses less digits than its factorization.

1140454342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 1140454342 is about 33770.6135863712. The cubic root of 1140454342 is about 1044.7826878082.

Adding to 1140454342 its reverse (2434540411), we get a palindrome (3574994753).

The spelling of 1140454342 in words is "one billion, one hundred forty million, four hundred fifty-four thousand, three hundred forty-two".