245342420553 has 8 divisors (see below), whose sum is σ = 328188776608. Its totient is φ = 163028839104.

The previous prime is 245342420539. The next prime is 245342420567. The reversal of 245342420553 is 355024243542.

It is an interprime number because it is at equal distance from previous prime (245342420539) and next prime (245342420567).

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

It is not a de Polignac number, because 245342420553 - 2⁴ = 245342420537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245342425553) 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, 133192576 + ... + 133194417.

It is an arithmetic number, because the mean of its divisors is an integer number (41023597076).

Almost surely, 2^245342420553 is an apocalyptic number.

It is an amenable number.

245342420553 is a deficient number, since it is larger than the sum of its proper divisors (82846356055).

245342420553 is a wasteful number, since it uses less digits than its factorization.

245342420553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266387303.

The product of its (nonzero) digits is 576000, while the sum is 39.

The spelling of 245342420553 in words is "two hundred forty-five billion, three hundred forty-two million, four hundred twenty thousand, five hundred fifty-three".