144653513 has 8 divisors (see below), whose sum is σ = 146468736. Its totient is φ = 142846000.

The previous prime is 144653507. The next prime is 144653539. The reversal of 144653513 is 315356441.

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 144653513 - 2⁶ = 144653449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144653513.

It is not an unprimeable number, because it can be changed into a prime (144653413) 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, 41870 + ... + 45192.

It is an arithmetic number, because the mean of its divisors is an integer number (18308592).

Almost surely, 2^144653513 is an apocalyptic number.

It is an amenable number.

144653513 is a deficient number, since it is larger than the sum of its proper divisors (1815223).

144653513 is a wasteful number, since it uses less digits than its factorization.

144653513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855.

The product of its digits is 21600, while the sum is 32.

The square root of 144653513 is about 12027.1988841958. The cubic root of 144653513 is about 524.9399937464.

The spelling of 144653513 in words is "one hundred forty-four million, six hundred fifty-three thousand, five hundred thirteen".