245442606215 has 4 divisors (see below), whose sum is σ = 294531127464. Its totient is φ = 196354084968.

The previous prime is 245442606181. The next prime is 245442606221. The reversal of 245442606215 is 512606244542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245442606215 - 2⁶ = 245442606151 is a prime.

It is a super-2 number, since 2×245442606215² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24544260617 + ... + 24544260626.

It is an arithmetic number, because the mean of its divisors is an integer number (73632781866).

Almost surely, 2^245442606215 is an apocalyptic number.

245442606215 is a deficient number, since it is larger than the sum of its proper divisors (49088521249).

245442606215 is an equidigital number, since it uses as much as digits as its factorization.

245442606215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49088521248.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 245442606215 in words is "two hundred forty-five billion, four hundred forty-two million, six hundred six thousand, two hundred fifteen".