1144212650 has 48 divisors (see below), whose sum is σ = 2484055296. Its totient is φ = 383949120.

The previous prime is 1144212649. The next prime is 1144212689. The reversal of 1144212650 is 562124411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18329 + ... + 51228.

It is an arithmetic number, because the mean of its divisors is an integer number (51751152).

Almost surely, 2^1144212650 is an apocalyptic number.

1144212650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1144212650 is an abundant number, since it is smaller than the sum of its proper divisors (1339842646).

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

1144212650 is a wasteful number, since it uses less digits than its factorization.

1144212650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69623 (or 69618 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 1144212650 is about 33826.2124690306. The cubic root of 1144212650 is about 1045.9291050883.

The spelling of 1144212650 in words is "one billion, one hundred forty-four million, two hundred twelve thousand, six hundred fifty".