42142631125645 has 16 divisors (see below), whose sum is σ = 51819878154240. Its totient is φ = 32882109379200.

The previous prime is 42142631125627. The next prime is 42142631125649. The reversal of 42142631125645 is 54652113624124.

It is not a de Polignac number, because 42142631125645 - 2⁵ = 42142631125613 is a prime.

It is a super-3 number, since 3×42142631125645³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42142631125595 and 42142631125604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142631125649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29616525 + ... + 31006834.

It is an arithmetic number, because the mean of its divisors is an integer number (3238742384640).

Almost surely, 2^{42142631125645} is an apocalyptic number.

It is an amenable number.

42142631125645 is a deficient number, since it is larger than the sum of its proper divisors (9677247028595).

42142631125645 is a wasteful number, since it uses less digits than its factorization.

42142631125645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60626796.

The product of its digits is 1382400, while the sum is 46.

Adding to 42142631125645 its reverse (54652113624124), we get a palindrome (96794744749769).

The spelling of 42142631125645 in words is "forty-two trillion, one hundred forty-two billion, six hundred thirty-one million, one hundred twenty-five thousand, six hundred forty-five".