144325442 has 8 divisors (see below), whose sum is σ = 216539136. Its totient is φ = 72145732.

The previous prime is 144325411. The next prime is 144325457. The reversal of 144325442 is 244523441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12623 + ... + 21165.

It is an arithmetic number, because the mean of its divisors is an integer number (27067392).

Almost surely, 2^144325442 is an apocalyptic number.

144325442 is a deficient number, since it is larger than the sum of its proper divisors (72213694).

144325442 is an equidigital number, since it uses as much as digits as its factorization.

144325442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16992.

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

The square root of 144325442 is about 12013.5524304845. The cubic root of 144325442 is about 524.5428425477.

Adding to 144325442 its reverse (244523441), we get a palindrome (388848883).

The spelling of 144325442 in words is "one hundred forty-four million, three hundred twenty-five thousand, four hundred forty-two".