1142307325 has 6 divisors (see below), whose sum is σ = 1416461114. Its totient is φ = 913845840.

The previous prime is 1142307301. The next prime is 1142307329. The reversal of 1142307325 is 5237032411.

It can be written as a sum of positive squares in 3 ways, for example, as 157477401 + 984829924 = 12549^2 + 31382^2 .

It is not a de Polignac number, because 1142307325 - 2²⁷ = 1008089597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142307293 and 1142307302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142307329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22846122 + ... + 22846171.

Almost surely, 2^1142307325 is an apocalyptic number.

It is an amenable number.

1142307325 is a deficient number, since it is larger than the sum of its proper divisors (274153789).

1142307325 is an equidigital number, since it uses as much as digits as its factorization.

1142307325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45692303 (or 45692298 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1142307325 is about 33798.0372950856. The cubic root of 1142307325 is about 1045.3482276199.

Adding to 1142307325 its reverse (5237032411), we get a palindrome (6379339736).

The spelling of 1142307325 in words is "one billion, one hundred forty-two million, three hundred seven thousand, three hundred twenty-five".