144401653 has 16 divisors (see below), whose sum is σ = 166348800. Its totient is φ = 123968880.

The previous prime is 144401633. The next prime is 144401671. The reversal of 144401653 is 356104441.

It is a cyclic number.

It is not a de Polignac number, because 144401653 - 2⁹ = 144401141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144401623) 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, 78300 + ... + 80122.

It is an arithmetic number, because the mean of its divisors is an integer number (10396800).

Almost surely, 2^144401653 is an apocalyptic number.

It is an amenable number.

144401653 is a deficient number, since it is larger than the sum of its proper divisors (21947147).

144401653 is a wasteful number, since it uses less digits than its factorization.

144401653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2232.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 144401653 is about 12016.7238879821. The cubic root of 144401653 is about 524.6351545237.

The spelling of 144401653 in words is "one hundred forty-four million, four hundred one thousand, six hundred fifty-three".