245445355403530 has 8 divisors (see below), whose sum is σ = 441801639726372. Its totient is φ = 98178142161408.

The previous prime is 245445355403471. The next prime is 245445355403531. The reversal of 245445355403530 is 35304553544542.

It can be written as a sum of positive squares in 2 ways, for example, as 228686165151129 + 16759190252401 = 15122373^2 + 4093799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (245445355403531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12272267770167 + ... + 12272267770186.

Almost surely, 2^{245445355403530} is an apocalyptic number.

245445355403530 is a deficient number, since it is larger than the sum of its proper divisors (196356284322842).

245445355403530 is a wasteful number, since it uses less digits than its factorization.

245445355403530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24544535540360.

The product of its (nonzero) digits is 43200000, while the sum is 52.

The spelling of 245445355403530 in words is "two hundred forty-five trillion, four hundred forty-five billion, three hundred fifty-five million, four hundred three thousand, five hundred thirty".