245261424162542 has 8 divisors (see below), whose sum is σ = 368311625569416. Its totient is φ = 122490882306072.

The previous prime is 245261424162541. The next prime is 245261424162553.

It is a happy number.

245261424162542 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245261424162541) 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, 69914885408 + ... + 69914888915.

It is an arithmetic number, because the mean of its divisors is an integer number (46038953196177).

Almost surely, 2^{245261424162542} is an apocalyptic number.

245261424162542 is a deficient number, since it is larger than the sum of its proper divisors (123050201406874).

245261424162542 is a wasteful number, since it uses less digits than its factorization.

245261424162542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139829775202.

The product of its digits is 7372800, while the sum is 50.

The spelling of 245261424162542 in words is "two hundred forty-five trillion, two hundred sixty-one billion, four hundred twenty-four million, one hundred sixty-two thousand, five hundred forty-two".