1143625716 has 60 divisors (see below), whose sum is σ = 2995503588. Its totient is φ = 380464128.

The previous prime is 1143625699. The next prime is 1143625741. The reversal of 1143625716 is 6175263411.

1143625716 is a `hidden beast` number, since 1 + 14 + 3 + 625 + 7 + 16 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 231344100 + 912281616 = 15210^2 + 30204^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 177300 + ... + 183636.

Almost surely, 2^1143625716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143625716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1497751794).

1143625716 is an abundant number, since it is smaller than the sum of its proper divisors (1851877872).

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

1143625716 is a wasteful number, since it uses less digits than its factorization.

1143625716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910 (or 6899 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 1143625716 is about 33817.5356287237. The cubic root of 1143625716 is about 1045.7502349718.

The spelling of 1143625716 in words is "one billion, one hundred forty-three million, six hundred twenty-five thousand, seven hundred sixteen".