1144551842 has 16 divisors (see below), whose sum is σ = 1986927360. Its totient is φ = 484312608.

The previous prime is 1144551827. The next prime is 1144551851. The reversal of 1144551842 is 2481554411.

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 7 ways as a sum of consecutive naturals, for example, 516323 + ... + 518534.

It is an arithmetic number, because the mean of its divisors is an integer number (124182960).

Almost surely, 2^1144551842 is an apocalyptic number.

1144551842 is a deficient number, since it is larger than the sum of its proper divisors (842375518).

1144551842 is a wasteful number, since it uses less digits than its factorization.

1144551842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034945.

The product of its digits is 25600, while the sum is 35.

The square root of 1144551842 is about 33831.2258424078. The cubic root of 1144551842 is about 1046.0324471068.

The spelling of 1144551842 in words is "one billion, one hundred forty-four million, five hundred fifty-one thousand, eight hundred forty-two".