245650202056542 has 16 divisors (see below), whose sum is σ = 491304869001360. Its totient is φ = 81882656537472.

The previous prime is 245650202056513. The next prime is 245650202056607.

245650202056542 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×245650202056542² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245650202056491 and 245650202056500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185321563 + ... + 186642390.

It is an arithmetic number, because the mean of its divisors is an integer number (30706554312585).

Almost surely, 2^{245650202056542} is an apocalyptic number.

245650202056542 is an abundant number, since it is smaller than the sum of its proper divisors (245654666944818).

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

245650202056542 is a wasteful number, since it uses less digits than its factorization.

245650202056542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372074027.

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 245650202056542 in words is "two hundred forty-five trillion, six hundred fifty billion, two hundred two million, fifty-six thousand, five hundred forty-two".