1143625741 has 2 divisors, whose sum is σ = 1143625742. Its totient is φ = 1143625740.

The previous prime is 1143625699. The next prime is 1143625753. The reversal of 1143625741 is 1475263411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 970571716 + 173054025 = 31154^2 + 13155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1143625741 - 2⁹ = 1143625229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143625697 and 1143625706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143625541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571812870 + 571812871.

It is an arithmetic number, because the mean of its divisors is an integer number (571812871).

Almost surely, 2^1143625741 is an apocalyptic number.

It is an amenable number.

1143625741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143625741 is an equidigital number, since it uses as much as digits as its factorization.

1143625741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 1143625741 is about 33817.5359983545. The cubic root of 1143625741 is about 1045.7502425919.

The spelling of 1143625741 in words is "one billion, one hundred forty-three million, six hundred twenty-five thousand, seven hundred forty-one".