1142541445 has 8 divisors (see below), whose sum is σ = 1430660736. Its totient is φ = 874292496.

The previous prime is 1142541409. The next prime is 1142541451. The reversal of 1142541445 is 5441452411.

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 1142541445 - 2¹⁵ = 1142508677 is a prime.

It is a Duffinian 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, 4967457 + ... + 4967686.

It is an arithmetic number, because the mean of its divisors is an integer number (178832592).

Almost surely, 2^1142541445 is an apocalyptic number.

It is an amenable number.

1142541445 is a deficient number, since it is larger than the sum of its proper divisors (288119291).

1142541445 is an equidigital number, since it uses as much as digits as its factorization.

1142541445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935171.

The product of its digits is 12800, while the sum is 31.

The square root of 1142541445 is about 33801.5006323684. The cubic root of 1142541445 is about 1045.4196387028.

Adding to 1142541445 its reverse (5441452411), we get a palindrome (6583993856).

The spelling of 1142541445 in words is "one billion, one hundred forty-two million, five hundred forty-one thousand, four hundred forty-five".