1144516542 has 32 divisors (see below), whose sum is σ = 2468447520. Its totient is φ = 351682560.

The previous prime is 1144516493. The next prime is 1144516543. The reversal of 1144516542 is 2456154411.

It is a super-2 number, since 2×1144516542² = 2619836229823275528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144516543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50442 + ... + 69522.

It is an arithmetic number, because the mean of its divisors is an integer number (77138985).

Almost surely, 2^1144516542 is an apocalyptic number.

1144516542 is an abundant number, since it is smaller than the sum of its proper divisors (1323930978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144516542 is a wasteful number, since it uses less digits than its factorization.

1144516542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19868.

The product of its digits is 19200, while the sum is 33.

The square root of 1144516542 is about 33830.7041310109. The cubic root of 1144516542 is about 1046.0216931670.

The spelling of 1144516542 in words is "one billion, one hundred forty-four million, five hundred sixteen thousand, five hundred forty-two".