144015663 has 8 divisors (see below), whose sum is σ = 209477376. Its totient is φ = 87282200.

The previous prime is 144015659. The next prime is 144015667. The reversal of 144015663 is 366510441.

It is an interprime number because it is at equal distance from previous prime (144015659) and next prime (144015667).

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

It is a cyclic number.

It is not a de Polignac number, because 144015663 - 2² = 144015659 is a prime.

It is a super-2 number, since 2×144015663² = 41481022378659138, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144015663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144015667) 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, 2182023 + ... + 2182088.

It is an arithmetic number, because the mean of its divisors is an integer number (26184672).

Almost surely, 2^144015663 is an apocalyptic number.

144015663 is a deficient number, since it is larger than the sum of its proper divisors (65461713).

144015663 is a wasteful number, since it uses less digits than its factorization.

144015663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364125.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 144015663 is about 12000.6526072543. The cubic root of 144015663 is about 524.1672821678.

The spelling of 144015663 in words is "one hundred forty-four million, fifteen thousand, six hundred sixty-three".