1142677573 has 4 divisors (see below), whose sum is σ = 1150346700. Its totient is φ = 1135008448.

The previous prime is 1142677561. The next prime is 1142677579. The reversal of 1142677573 is 3757762411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 658589569 + 484088004 = 25663^2 + 22002^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142677573 - 2⁹ = 1142677061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142677579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834340 + ... + 3834637.

It is an arithmetic number, because the mean of its divisors is an integer number (287586675).

Almost surely, 2^1142677573 is an apocalyptic number.

It is an amenable number.

1142677573 is a deficient number, since it is larger than the sum of its proper divisors (7669127).

1142677573 is an equidigital number, since it uses as much as digits as its factorization.

1142677573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7669126.

The product of its digits is 246960, while the sum is 43.

The square root of 1142677573 is about 33803.5142108036. The cubic root of 1142677573 is about 1045.4611558643.

The spelling of 1142677573 in words is "one billion, one hundred forty-two million, six hundred seventy-seven thousand, five hundred seventy-three".