1142976048 has 80 divisors (see below), whose sum is σ = 3020747136. Its totient is φ = 372303360.

The previous prime is 1142976041. The next prime is 1142976061. The reversal of 1142976048 is 8406792411.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1142976041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419940 + ... + 422652.

Almost surely, 2^1142976048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142976048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1510373568).

1142976048 is an abundant number, since it is smaller than the sum of its proper divisors (1877771088).

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

1142976048 is a wasteful number, since it uses less digits than its factorization.

1142976048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1142976048 is about 33807.9287741796. The cubic root of 1142976048 is about 1045.5521750810.

The spelling of 1142976048 in words is "one billion, one hundred forty-two million, nine hundred seventy-six thousand, forty-eight".