145642114406122 has 8 divisors (see below), whose sum is σ = 222044535078372. Its totient is φ = 71627269380000.

The previous prime is 145642114406083. The next prime is 145642114406123. The reversal of 145642114406122 is 221604411246541.

It can be written as a sum of positive squares in 2 ways, for example, as 111304166906241 + 34337947499881 = 10550079^2 + 5859859^2 .

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

It is not an unprimeable number, because it can be changed into a prime (145642114406123) 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, 596893911379 + ... + 596893911622.

Almost surely, 2^{145642114406122} is an apocalyptic number.

145642114406122 is a deficient number, since it is larger than the sum of its proper divisors (76402420672250).

145642114406122 is a wasteful number, since it uses less digits than its factorization.

145642114406122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193787823064.

The product of its (nonzero) digits is 368640, while the sum is 43.

The spelling of 145642114406122 in words is "one hundred forty-five trillion, six hundred forty-two billion, one hundred fourteen million, four hundred six thousand, one hundred twenty-two".