144661354215 has 96 divisors (see below), whose sum is σ = 284862251520. Its totient is φ = 62331123456.

The previous prime is 144661354147. The next prime is 144661354241. The reversal of 144661354215 is 512453166441.

It is not a de Polignac number, because 144661354215 - 2⁷ = 144661354087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2724814 + ... + 2777396.

It is an arithmetic number, because the mean of its divisors is an integer number (2967315120).

Almost surely, 2^144661354215 is an apocalyptic number.

144661354215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144661354215 is a deficient number, since it is larger than the sum of its proper divisors (140200897305).

144661354215 is a wasteful number, since it uses less digits than its factorization.

144661354215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52821 (or 52814 counting only the distinct ones).

The product of its digits is 345600, while the sum is 42.

The spelling of 144661354215 in words is "one hundred forty-four billion, six hundred sixty-one million, three hundred fifty-four thousand, two hundred fifteen".