1142343305425 has 48 divisors (see below), whose sum is σ = 1717763448960. Its totient is φ = 735663836160.

The previous prime is 1142343305423. The next prime is 1142343305431. The reversal of 1142343305425 is 5245033432411.

It is not a de Polignac number, because 1142343305425 - 2¹ = 1142343305423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142343305423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 978211 + ... + 1800439.

It is an arithmetic number, because the mean of its divisors is an integer number (35786738520).

Almost surely, 2^{1142343305425} is an apocalyptic number.

It is an amenable number.

1142343305425 is a deficient number, since it is larger than the sum of its proper divisors (575420143535).

1142343305425 is a wasteful number, since it uses less digits than its factorization.

1142343305425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822730 (or 822725 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 1142343305425 its reverse (5245033432411), we get a palindrome (6387376737836).

The spelling of 1142343305425 in words is "one trillion, one hundred forty-two billion, three hundred forty-three million, three hundred five thousand, four hundred twenty-five".