34042121145 has 48 divisors (see below), whose sum is σ = 59876174592. Its totient is φ = 17888492160.

The previous prime is 34042121143. The next prime is 34042121167. The reversal of 34042121145 is 54112124043.

34042121145 is a `hidden beast` number, since 3 + 404 + 2 + 1 + 211 + 45 = 666.

It is not a de Polignac number, because 34042121145 - 2¹ = 34042121143 is a prime.

It is a super-2 number, since 2×34042121145² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34042121143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7451652 + ... + 7456218.

It is an arithmetic number, because the mean of its divisors is an integer number (1247420304).

Almost surely, 2^34042121145 is an apocalyptic number.

It is an amenable number.

34042121145 is a deficient number, since it is larger than the sum of its proper divisors (25834053447).

34042121145 is a wasteful number, since it uses less digits than its factorization.

34042121145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6982 (or 6979 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 34042121145 its reverse (54112124043), we get a palindrome (88154245188).

The spelling of 34042121145 in words is "thirty-four billion, forty-two million, one hundred twenty-one thousand, one hundred forty-five".