245692455557 has 8 divisors (see below), whose sum is σ = 248963232000. Its totient is φ = 242425697904.

The previous prime is 245692455527. The next prime is 245692455563. The reversal of 245692455557 is 755554296542.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 245692455557 - 2²⁴ = 245675678341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245692455496 and 245692455505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245692455527) 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, 881513 + ... + 1126254.

It is an arithmetic number, because the mean of its divisors is an integer number (31120404000).

Almost surely, 2^245692455557 is an apocalyptic number.

It is an amenable number.

245692455557 is a deficient number, since it is larger than the sum of its proper divisors (3270776443).

245692455557 is a wasteful number, since it uses less digits than its factorization.

245692455557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009395.

The product of its digits is 75600000, while the sum is 59.

The spelling of 245692455557 in words is "two hundred forty-five billion, six hundred ninety-two million, four hundred fifty-five thousand, five hundred fifty-seven".