1142512445 has 8 divisors (see below), whose sum is σ = 1372654080. Its totient is φ = 912917200.

The previous prime is 1142512417. The next prime is 1142512543. The reversal of 1142512445 is 5442152411.

It is a happy number.

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

It is not a de Polignac number, because 1142512445 - 2¹⁰ = 1142511421 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131981 + ... + 140370.

It is an arithmetic number, because the mean of its divisors is an integer number (171581760).

Almost surely, 2^1142512445 is an apocalyptic number.

It is an amenable number.

1142512445 is a deficient number, since it is larger than the sum of its proper divisors (230141635).

1142512445 is an equidigital number, since it uses as much as digits as its factorization.

1142512445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273195.

The product of its digits is 6400, while the sum is 29.

The square root of 1142512445 is about 33801.0716546088. The cubic root of 1142512445 is about 1045.4107936769.

Adding to 1142512445 its reverse (5442152411), we get a palindrome (6584664856).

The spelling of 1142512445 in words is "one billion, one hundred forty-two million, five hundred twelve thousand, four hundred forty-five".