245847748542 has 16 divisors (see below), whose sum is σ = 536395087872. Its totient is φ = 74499317720.

The previous prime is 245847748541. The next prime is 245847748547.

245847748542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245847748542² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245847748541) 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, 1862482878 + ... + 1862483009.

It is an arithmetic number, because the mean of its divisors is an integer number (33524692992).

Almost surely, 2^245847748542 is an apocalyptic number.

245847748542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245847748542 is an abundant number, since it is smaller than the sum of its proper divisors (290547339330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245847748542 is a wasteful number, since it uses less digits than its factorization.

245847748542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724965903.

The product of its digits is 80281600, while the sum is 60.

The spelling of 245847748542 in words is "two hundred forty-five billion, eight hundred forty-seven million, seven hundred forty-eight thousand, five hundred forty-two".