1141154542 has 16 divisors (see below), whose sum is σ = 1892926512. Its totient is φ = 511600320.

The previous prime is 1141154527. The next prime is 1141154543. The reversal of 1141154542 is 2454511411.

It is a self number, because there is not a number n which added to its sum of digits gives 1141154542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141154543) 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, 353673 + ... + 356884.

It is an arithmetic number, because the mean of its divisors is an integer number (118307907).

Almost surely, 2^1141154542 is an apocalyptic number.

1141154542 is a deficient number, since it is larger than the sum of its proper divisors (751771970).

1141154542 is a wasteful number, since it uses less digits than its factorization.

1141154542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710643.

The product of its digits is 3200, while the sum is 28.

The square root of 1141154542 is about 33780.9789970628. The cubic root of 1141154542 is about 1044.9964643547.

Adding to 1141154542 its reverse (2454511411), we get a palindrome (3595665953).

The spelling of 1141154542 in words is "one billion, one hundred forty-one million, one hundred fifty-four thousand, five hundred forty-two".