1142705480 has 48 divisors (see below), whose sum is σ = 2990861820. Its totient is φ = 391784064.

The previous prime is 1142705479. The next prime is 1142705519. The reversal of 1142705480 is 845072411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1135555204 + 7150276 = 33698^2 + 2674^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 289547 + ... + 293466.

Almost surely, 2^1142705480 is an apocalyptic number.

1142705480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142705480 is an abundant number, since it is smaller than the sum of its proper divisors (1848156340).

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

1142705480 is a wasteful number, since it uses less digits than its factorization.

1142705480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583038 (or 583027 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 1142705480 is about 33803.9269908098. The cubic root of 1142705480 is about 1045.4696667069.

Adding to 1142705480 its reverse (845072411), we get a palindrome (1987777891).

The spelling of 1142705480 in words is "one billion, one hundred forty-two million, seven hundred five thousand, four hundred eighty".