1142545214 has 16 divisors (see below), whose sum is σ = 1821341376. Its totient is φ = 535680000.

The previous prime is 1142545211. The next prime is 1142545247. The reversal of 1142545214 is 4125452411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142545211) 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, 52787 + ... + 71214.

It is an arithmetic number, because the mean of its divisors is an integer number (113833836).

Almost surely, 2^1142545214 is an apocalyptic number.

1142545214 is a deficient number, since it is larger than the sum of its proper divisors (678796162).

1142545214 is a wasteful number, since it uses less digits than its factorization.

1142545214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124291.

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

The square root of 1142545214 is about 33801.5563842850. The cubic root of 1142545214 is about 1045.4207882401.

Adding to 1142545214 its reverse (4125452411), we get a palindrome (5267997625).

The spelling of 1142545214 in words is "one billion, one hundred forty-two million, five hundred forty-five thousand, two hundred fourteen".