144142251 has 32 divisors (see below), whose sum is σ = 215619840. Its totient is φ = 84912000.

The previous prime is 144142249. The next prime is 144142301. The reversal of 144142251 is 152241441.

It is not a de Polignac number, because 144142251 - 2¹ = 144142249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144142211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 196281 + ... + 197013.

It is an arithmetic number, because the mean of its divisors is an integer number (6738120).

Almost surely, 2^144142251 is an apocalyptic number.

144142251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144142251 is a deficient number, since it is larger than the sum of its proper divisors (71477589).

144142251 is a wasteful number, since it uses less digits than its factorization.

144142251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907.

The product of its digits is 1280, while the sum is 24.

The square root of 144142251 is about 12005.9256619388. The cubic root of 144142251 is about 524.3208160608.

Adding to 144142251 its reverse (152241441), we get a palindrome (296383692).

The spelling of 144142251 in words is "one hundred forty-four million, one hundred forty-two thousand, two hundred fifty-one".