144629081 has 16 divisors (see below), whose sum is σ = 159090624. Its totient is φ = 130927104.

The previous prime is 144629027. The next prime is 144629101. The reversal of 144629081 is 180926441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144629081 - 2¹⁴ = 144612697 is a prime.

It is a super-2 number, since 2×144629081² = 41835142141809122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144629281) 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, 47501 + ... + 50453.

It is an arithmetic number, because the mean of its divisors is an integer number (9943164).

Almost surely, 2^144629081 is an apocalyptic number.

It is an amenable number.

144629081 is a deficient number, since it is larger than the sum of its proper divisors (14461543).

144629081 is a wasteful number, since it uses less digits than its factorization.

144629081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3080.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 144629081 is about 12026.1831434583. The cubic root of 144629081 is about 524.9104379345.

The spelling of 144629081 in words is "one hundred forty-four million, six hundred twenty-nine thousand, eighty-one".