245420152031315 has 4 divisors (see below), whose sum is σ = 294504182437584. Its totient is φ = 196336121625048.

The previous prime is 245420152031293. The next prime is 245420152031407. The reversal of 245420152031315 is 513130251024542.

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 245420152031315 - 2²⁶ = 245420084922451 is a prime.

It is a Duffinian 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, 24542015203127 + ... + 24542015203136.

It is an arithmetic number, because the mean of its divisors is an integer number (73626045609396).

Almost surely, 2^{245420152031315} is an apocalyptic number.

245420152031315 is a deficient number, since it is larger than the sum of its proper divisors (49084030406269).

245420152031315 is an equidigital number, since it uses as much as digits as its factorization.

245420152031315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49084030406268.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 245420152031315 in words is "two hundred forty-five trillion, four hundred twenty billion, one hundred fifty-two million, thirty-one thousand, three hundred fifteen".