42345186237 has 40 divisors (see below), whose sum is σ = 63530227200. Its totient is φ = 28108226016.

The previous prime is 42345186199. The next prime is 42345186251. The reversal of 42345186237 is 73268154324.

42345186237 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 5 + 18 + 623 + 7 = 666.

It is not a de Polignac number, because 42345186237 - 2⁷ = 42345186109 is a prime.

It is a super-2 number, since 2×42345186237² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42345186192 and 42345186201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42345186277) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24072564 + ... + 24074322.

It is an arithmetic number, because the mean of its divisors is an integer number (1588255680).

Almost surely, 2^42345186237 is an apocalyptic number.

It is an amenable number.

42345186237 is a deficient number, since it is larger than the sum of its proper divisors (21185040963).

42345186237 is a wasteful number, since it uses less digits than its factorization.

42345186237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887 (or 2878 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 42345186237 in words is "forty-two billion, three hundred forty-five million, one hundred eighty-six thousand, two hundred thirty-seven".