1142355145 has 32 divisors (see below), whose sum is σ = 1524096000. Its totient is φ = 818034624.

The previous prime is 1142355143. The next prime is 1142355167. The reversal of 1142355145 is 5415532411.

1142355145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1142355145 - 2¹ = 1142355143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142355143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178206 + ... + 184504.

It is an arithmetic number, because the mean of its divisors is an integer number (47628000).

Almost surely, 2^1142355145 is an apocalyptic number.

It is an amenable number.

1142355145 is a deficient number, since it is larger than the sum of its proper divisors (381740855).

1142355145 is a wasteful number, since it uses less digits than its factorization.

1142355145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6429.

The product of its digits is 12000, while the sum is 31.

The square root of 1142355145 is about 33798.7447252113. The cubic root of 1142355145 is about 1045.3628144284.

Adding to 1142355145 its reverse (5415532411), we get a palindrome (6557887556).

The spelling of 1142355145 in words is "one billion, one hundred forty-two million, three hundred fifty-five thousand, one hundred forty-five".