1142054650 has 48 divisors (see below), whose sum is σ = 2418113088. Its totient is φ = 397232000.

The previous prime is 1142054633. The next prime is 1142054651. The reversal of 1142054650 is 564502411.

It is not an unprimeable number, because it can be changed into a prime (1142054651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32491 + ... + 57790.

It is an arithmetic number, because the mean of its divisors is an integer number (50377356).

Almost surely, 2^1142054650 is an apocalyptic number.

1142054650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1142054650 is an abundant number, since it is smaller than the sum of its proper divisors (1276058438).

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

1142054650 is a wasteful number, since it uses less digits than its factorization.

1142054650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90327 (or 90322 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1142054650 is about 33794.2990754358. The cubic root of 1142054650 is about 1045.2711459580.

The spelling of 1142054650 in words is "one billion, one hundred forty-two million, fifty-four thousand, six hundred fifty".