1142735464 has 16 divisors (see below), whose sum is σ = 2307446820. Its totient is φ = 527416320.

The previous prime is 1142735389. The next prime is 1142735467. The reversal of 1142735464 is 4645372411.

It can be written as a sum of positive squares in 2 ways, for example, as 1139602564 + 3132900 = 33758^2 + 1770^2 .

It is not an unprimeable number, because it can be changed into a prime (1142735467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5493817 + ... + 5494024.

Almost surely, 2^1142735464 is an apocalyptic number.

It is an amenable number.

1142735464 is an abundant number, since it is smaller than the sum of its proper divisors (1164711356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142735464 is a wasteful number, since it uses less digits than its factorization.

1142735464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10987860 (or 10987856 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 1142735464 is about 33804.3704866693. The cubic root of 1142735464 is about 1045.4788108211.

The spelling of 1142735464 in words is "one billion, one hundred forty-two million, seven hundred thirty-five thousand, four hundred sixty-four".