144622542 has 8 divisors (see below), whose sum is σ = 289245096. Its totient is φ = 48207512.

The previous prime is 144622537. The next prime is 144622549. The reversal of 144622542 is 245226441.

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

144622542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144622549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12051873 + ... + 12051884.

It is an arithmetic number, because the mean of its divisors is an integer number (36155637).

Almost surely, 2^144622542 is an apocalyptic number.

144622542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144622542 is a wasteful number, since it uses less digits than its factorization.

144622542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24103762.

The product of its digits is 15360, while the sum is 30.

The square root of 144622542 is about 12025.9112752423. The cubic root of 144622542 is about 524.9025270287.

Adding to 144622542 its reverse (245226441), we get a palindrome (389848983).

The spelling of 144622542 in words is "one hundred forty-four million, six hundred twenty-two thousand, five hundred forty-two".