42145120032322 has 8 divisors (see below), whose sum is σ = 63284015497356. Its totient is φ = 21050448199872.

The previous prime is 42145120032283. The next prime is 42145120032329. The reversal of 42145120032322 is 22323002154124.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41329225145961 + 815894886361 = 6428781^2 + 903269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×42145120032322² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42145120032329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055905763 + ... + 11055909574.

Almost surely, 2^{42145120032322} is an apocalyptic number.

42145120032322 is a deficient number, since it is larger than the sum of its proper divisors (21138895465034).

42145120032322 is a wasteful number, since it uses less digits than its factorization.

42145120032322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22111816292.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 42145120032322 its reverse (22323002154124), we get a palindrome (64468122186446).

The spelling of 42145120032322 in words is "forty-two trillion, one hundred forty-five billion, one hundred twenty million, thirty-two thousand, three hundred twenty-two".