243102455040572 has 48 divisors (see below), whose sum is σ = 435046252499040. Its totient is φ = 118826491449600.

The previous prime is 243102455040553. The next prime is 243102455040581. The reversal of 243102455040572 is 275040554201342.

It is a super-2 number, since 2×243102455040572² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1370112422 + ... + 1370289842.

It is an arithmetic number, because the mean of its divisors is an integer number (9063463593730).

Almost surely, 2^{243102455040572} is an apocalyptic number.

It is an amenable number.

243102455040572 is a deficient number, since it is larger than the sum of its proper divisors (191943797458468).

243102455040572 is a wasteful number, since it uses less digits than its factorization.

243102455040572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209742 (or 209740 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 44.

The spelling of 243102455040572 in words is "two hundred forty-three trillion, one hundred two billion, four hundred fifty-five million, forty thousand, five hundred seventy-two".