245379815458 has 32 divisors (see below), whose sum is σ = 381091350528. Its totient is φ = 118373702400.

The previous prime is 245379815453. The next prime is 245379815479. The reversal of 245379815458 is 854518973542.

It is a happy number.

It is a super-2 number, since 2×245379815458² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245379815396 and 245379815405.

It is not an unprimeable number, because it can be changed into a prime (245379815453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57102766 + ... + 57107062.

It is an arithmetic number, because the mean of its divisors is an integer number (11909104704).

Almost surely, 2^245379815458 is an apocalyptic number.

245379815458 is a deficient number, since it is larger than the sum of its proper divisors (135711535070).

245379815458 is a wasteful number, since it uses less digits than its factorization.

245379815458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6898.

The product of its digits is 48384000, while the sum is 61.

The spelling of 245379815458 in words is "two hundred forty-five billion, three hundred seventy-nine million, eight hundred fifteen thousand, four hundred fifty-eight".