144642451403 has 8 divisors (see below), whose sum is σ = 145988710560. Its totient is φ = 143296542720.

The previous prime is 144642451367. The next prime is 144642451417. The reversal of 144642451403 is 304154246441.

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 144642451403 - 2³⁰ = 143568709579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144642451423) 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, 781538 + ... + 948728.

It is an arithmetic number, because the mean of its divisors is an integer number (18248588820).

Almost surely, 2^144642451403 is an apocalyptic number.

144642451403 is a deficient number, since it is larger than the sum of its proper divisors (1346259157).

144642451403 is a wasteful number, since it uses less digits than its factorization.

144642451403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175237.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 144642451403 its reverse (304154246441), we get a palindrome (448796697844).

The spelling of 144642451403 in words is "one hundred forty-four billion, six hundred forty-two million, four hundred fifty-one thousand, four hundred three".