144234542 has 4 divisors (see below), whose sum is σ = 216351816. Its totient is φ = 72117270.

The previous prime is 144234521. The next prime is 144234551. The reversal of 144234542 is 245432441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245432441 = 379 ⋅647579.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36058634 + ... + 36058637.

It is an arithmetic number, because the mean of its divisors is an integer number (54087954).

Almost surely, 2^144234542 is an apocalyptic number.

144234542 is a deficient number, since it is larger than the sum of its proper divisors (72117274).

144234542 is an equidigital number, since it uses as much as digits as its factorization.

144234542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72117273.

The product of its digits is 15360, while the sum is 29.

The square root of 144234542 is about 12009.7686072630. The cubic root of 144234542 is about 524.4326957446.

Adding to 144234542 its reverse (245432441), we get a palindrome (389666983).

The spelling of 144234542 in words is "one hundred forty-four million, two hundred thirty-four thousand, five hundred forty-two".