245232055155021 has 8 divisors (see below), whose sum is σ = 356701171134624. Its totient is φ = 148625487972720.

The previous prime is 245232055155011. The next prime is 245232055155071. The reversal of 245232055155021 is 120551550232542.

245232055155021 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 245232055155021 - 2⁹ = 245232055154509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245232055155011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3715637199286 + ... + 3715637199351.

It is an arithmetic number, because the mean of its divisors is an integer number (44587646391828).

Almost surely, 2^{245232055155021} is an apocalyptic number.

It is an amenable number.

245232055155021 is a deficient number, since it is larger than the sum of its proper divisors (111469115979603).

245232055155021 is a wasteful number, since it uses less digits than its factorization.

245232055155021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431274398651.

The product of its (nonzero) digits is 600000, while the sum is 42.

The spelling of 245232055155021 in words is "two hundred forty-five trillion, two hundred thirty-two billion, fifty-five million, one hundred fifty-five thousand, twenty-one".