144113542 has 4 divisors (see below), whose sum is σ = 216170316. Its totient is φ = 72056770.

The previous prime is 144113531. The next prime is 144113549. The reversal of 144113542 is 245311441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245311441 = 229 ⋅1071229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144113549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36028384 + ... + 36028387.

It is an arithmetic number, because the mean of its divisors is an integer number (54042579).

Almost surely, 2^144113542 is an apocalyptic number.

144113542 is a deficient number, since it is larger than the sum of its proper divisors (72056774).

144113542 is an equidigital number, since it uses as much as digits as its factorization.

144113542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72056773.

The product of its digits is 1920, while the sum is 25.

The square root of 144113542 is about 12004.7299844686. The cubic root of 144113542 is about 524.2860038627.

Adding to 144113542 its reverse (245311441), we get a palindrome (389424983).

The spelling of 144113542 in words is "one hundred forty-four million, one hundred thirteen thousand, five hundred forty-two".