1144751148 has 36 divisors (see below), whose sum is σ = 2894841768. Its totient is φ = 381430080.

The previous prime is 1144751143. The next prime is 1144751149. The reversal of 1144751148 is 8411574411.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1144751143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116640 + ... + 126072.

Almost surely, 2^1144751148 is an apocalyptic number.

1144751148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1144751148 is an abundant number, since it is smaller than the sum of its proper divisors (1750090620).

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

1144751148 is a wasteful number, since it uses less digits than its factorization.

1144751148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12814 (or 12809 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 1144751148 is about 33834.1713065356. The cubic root of 1144751148 is about 1046.0931603733.

The spelling of 1144751148 in words is "one billion, one hundred forty-four million, seven hundred fifty-one thousand, one hundred forty-eight".