1142353237 has 8 divisors (see below), whose sum is σ = 1149276672. Its totient is φ = 1135440000.

The previous prime is 1142353231. The next prime is 1142353241. The reversal of 1142353237 is 7323532411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142353237 - 2⁷ = 1142353109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142353199 and 1142353208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142353231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428613 + ... + 431269.

It is an arithmetic number, because the mean of its divisors is an integer number (143659584).

Almost surely, 2^1142353237 is an apocalyptic number.

It is an amenable number.

1142353237 is a deficient number, since it is larger than the sum of its proper divisors (6923435).

1142353237 is a wasteful number, since it uses less digits than its factorization.

1142353237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099.

The product of its digits is 15120, while the sum is 31.

The square root of 1142353237 is about 33798.7164992992. The cubic root of 1142353237 is about 1045.3622324281.

Adding to 1142353237 its reverse (7323532411), we get a palindrome (8465885648).

The spelling of 1142353237 in words is "one billion, one hundred forty-two million, three hundred fifty-three thousand, two hundred thirty-seven".