144524442 has 32 divisors (see below), whose sum is σ = 297676800. Its totient is φ = 46744128.

The previous prime is 144524441. The next prime is 144524447. The reversal of 144524442 is 244425441.

It is a super-2 number, since 2×144524442² = 41774628670822728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144524441) 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, 112359 + ... + 113637.

It is an arithmetic number, because the mean of its divisors is an integer number (9302400).

Almost surely, 2^144524442 is an apocalyptic number.

144524442 is an abundant number, since it is smaller than the sum of its proper divisors (153152358).

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

144524442 is a wasteful number, since it uses less digits than its factorization.

144524442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its digits is 20480, while the sum is 30.

The square root of 144524442 is about 12021.8318903568. The cubic root of 144524442 is about 524.7838166617.

Adding to 144524442 its reverse (244425441), we get a palindrome (388949883).

Subtracting 144524442 from its reverse (244425441), we obtain a palindrome (99900999).

The spelling of 144524442 in words is "one hundred forty-four million, five hundred twenty-four thousand, four hundred forty-two".