245155150124519 has 4 divisors (see below), whose sum is σ = 245608301973720. Its totient is φ = 244701998275320.

The previous prime is 245155150124503. The next prime is 245155150124561. The reversal of 245155150124519 is 915421051551542.

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 245155150124519 - 2⁴ = 245155150124503 is a prime.

It is a super-2 number, since 2×245155150124519² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245155150144519) 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, 226575923789 + ... + 226575924870.

It is an arithmetic number, because the mean of its divisors is an integer number (61402075493430).

Almost surely, 2^{245155150124519} is an apocalyptic number.

245155150124519 is a deficient number, since it is larger than the sum of its proper divisors (453151849201).

245155150124519 is an equidigital number, since it uses as much as digits as its factorization.

245155150124519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453151849200.

The product of its (nonzero) digits is 1800000, while the sum is 50.

The spelling of 245155150124519 in words is "two hundred forty-five trillion, one hundred fifty-five billion, one hundred fifty million, one hundred twenty-four thousand, five hundred nineteen".