1142146480 has 20 divisors (see below), whose sum is σ = 2655490752. Its totient is φ = 456858560.

The previous prime is 1142146417. The next prime is 1142146501. The reversal of 1142146480 is 846412411.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7138336 + ... + 7138495.

Almost surely, 2^1142146480 is an apocalyptic number.

1142146480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142146480 is an abundant number, since it is smaller than the sum of its proper divisors (1513344272).

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

1142146480 is a wasteful number, since it uses less digits than its factorization.

1142146480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14276844 (or 14276838 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 1142146480 is about 33795.6577092383. The cubic root of 1142146480 is about 1045.2991611605.

Adding to 1142146480 its reverse (846412411), we get a palindrome (1988558891).

The spelling of 1142146480 in words is "one billion, one hundred forty-two million, one hundred forty-six thousand, four hundred eighty".