144701481 has 8 divisors (see below), whose sum is σ = 193064704. Its totient is φ = 96402960.

The previous prime is 144701477. The next prime is 144701483. The reversal of 144701481 is 184107441.

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

It is not a de Polignac number, because 144701481 - 2² = 144701477 is a prime.

It is a super-2 number, since 2×144701481² = 41877037207186722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144701483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10690 + ... + 20091.

It is an arithmetic number, because the mean of its divisors is an integer number (24133088).

Almost surely, 2^144701481 is an apocalyptic number.

It is an amenable number.

144701481 is a deficient number, since it is larger than the sum of its proper divisors (48363223).

144701481 is a wasteful number, since it uses less digits than its factorization.

144701481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32351.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 144701481 is about 12029.1928656914. The cubic root of 144701481 is about 524.9980117839.

It can be divided in two parts, 14470 and 1481, that added together give a palindrome (15951).

The spelling of 144701481 in words is "one hundred forty-four million, seven hundred one thousand, four hundred eighty-one".