1144856001 has 32 divisors (see below), whose sum is σ = 1658764800. Its totient is φ = 700064640.

The previous prime is 1144855979. The next prime is 1144856003. The reversal of 1144856001 is 1006584411.

It is not a de Polignac number, because 1144856001 - 2⁵ = 1144855969 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144856001.

It is not an unprimeable number, because it can be changed into a prime (1144856003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222781 + ... + 227861.

It is an arithmetic number, because the mean of its divisors is an integer number (51836400).

Almost surely, 2^1144856001 is an apocalyptic number.

It is an amenable number.

1144856001 is a deficient number, since it is larger than the sum of its proper divisors (513908799).

1144856001 is a wasteful number, since it uses less digits than its factorization.

1144856001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5229.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1144856001 is about 33835.7207844018. The cubic root of 1144856001 is about 1046.1250982192.

The spelling of 1144856001 in words is "one billion, one hundred forty-four million, eight hundred fifty-six thousand, one".