147721243615 has 32 divisors (see below), whose sum is σ = 195163831296. Its totient is φ = 106447061760.

The previous prime is 147721243583. The next prime is 147721243639. The reversal of 147721243615 is 516342127741.

It is not a de Polignac number, because 147721243615 - 2⁵ = 147721243583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2849214 + ... + 2900596.

It is an arithmetic number, because the mean of its divisors is an integer number (6098869728).

Almost surely, 2^147721243615 is an apocalyptic number.

147721243615 is a deficient number, since it is larger than the sum of its proper divisors (47442587681).

147721243615 is a wasteful number, since it uses less digits than its factorization.

147721243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51879.

The product of its digits is 282240, while the sum is 43.

The spelling of 147721243615 in words is "one hundred forty-seven billion, seven hundred twenty-one million, two hundred forty-three thousand, six hundred fifteen".