243045521026 has 48 divisors (see below), whose sum is σ = 466020477792. Its totient is φ = 94001812800.

The previous prime is 243045521003. The next prime is 243045521083. The reversal of 243045521026 is 620125540342.

It is a super-2 number, since 2×243045521026² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243045520982 and 243045521000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 675160 + ... + 970531.

It is an arithmetic number, because the mean of its divisors is an integer number (9708759954).

Almost surely, 2^243045521026 is an apocalyptic number.

243045521026 is a deficient number, since it is larger than the sum of its proper divisors (222974956766).

243045521026 is a wasteful number, since it uses less digits than its factorization.

243045521026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645855 (or 1645848 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 243045521026 in words is "two hundred forty-three billion, forty-five million, five hundred twenty-one thousand, twenty-six".