1142415542 has 4 divisors (see below), whose sum is σ = 1713623316. Its totient is φ = 571207770.

The previous prime is 1142415541. The next prime is 1142415551. The reversal of 1142415542 is 2455142411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1142415542² = 2610226541206307528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142415541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 285603884 + ... + 285603887.

It is an arithmetic number, because the mean of its divisors is an integer number (428405829).

Almost surely, 2^1142415542 is an apocalyptic number.

1142415542 is a deficient number, since it is larger than the sum of its proper divisors (571207774).

1142415542 is an equidigital number, since it uses as much as digits as its factorization.

1142415542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571207773.

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

The square root of 1142415542 is about 33799.6381933298. The cubic root of 1142415542 is about 1045.3812370896.

Adding to 1142415542 its reverse (2455142411), we get a palindrome (3597557953).

The spelling of 1142415542 in words is "one billion, one hundred forty-two million, four hundred fifteen thousand, five hundred forty-two".