153215796243 has 18 divisors (see below), whose sum is σ = 207443808684. Its totient is φ = 100589498064.

The previous prime is 153215796221. The next prime is 153215796269. The reversal of 153215796243 is 342697512351.

It is a de Polignac number, because none of the positive numbers 2^k-153215796243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 153215796192 and 153215796201.

It is not an unprimeable number, because it can be changed into a prime (153215796343) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45422505 + ... + 45425877.

It is an arithmetic number, because the mean of its divisors is an integer number (11524656038).

Almost surely, 2^153215796243 is an apocalyptic number.

153215796243 is a deficient number, since it is larger than the sum of its proper divisors (54228012441).

153215796243 is an frugal number, since it uses more digits than its factorization.

153215796243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6883 (or 3443 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

Multiplying 153215796243 by its sum of digits (48), we get a square (7354358219664 = 2711892²).

The spelling of 153215796243 in words is "one hundred fifty-three billion, two hundred fifteen million, seven hundred ninety-six thousand, two hundred forty-three".