245126621542 has 16 divisors (see below), whose sum is σ = 401529420864. Its totient is φ = 111306433000.

The previous prime is 245126621503. The next prime is 245126621557.

245126621542 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 245126621495 and 245126621504.

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, 5716084 + ... + 5758807.

It is an arithmetic number, because the mean of its divisors is an integer number (25095588804).

Almost surely, 2^245126621542 is an apocalyptic number.

245126621542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

245126621542 is a deficient number, since it is larger than the sum of its proper divisors (156402799322).

245126621542 is a wasteful number, since it uses less digits than its factorization.

245126621542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11475875.

The product of its digits is 230400, while the sum is 40.

It can be divided in two parts, 245126 and 621542, that added together give a palindrome (866668).

The spelling of 245126621542 in words is "two hundred forty-five billion, one hundred twenty-six million, six hundred twenty-one thousand, five hundred forty-two".