145122315125122 has 32 divisors (see below), whose sum is σ = 236240595671040. Its totient is φ = 66606723267840.

The previous prime is 145122315125119. The next prime is 145122315125131. The reversal of 145122315125122 is 221521513221541.

It is a super-2 number, since 2×145122315125122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284564629 + ... + 285074152.

It is an arithmetic number, because the mean of its divisors is an integer number (7382518614720).

Almost surely, 2^{145122315125122} is an apocalyptic number.

145122315125122 is a deficient number, since it is larger than the sum of its proper divisors (91118280545918).

145122315125122 is a wasteful number, since it uses less digits than its factorization.

145122315125122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569638986.

The product of its digits is 48000, while the sum is 37.

Adding to 145122315125122 its reverse (221521513221541), we get a palindrome (366643828346663).

The spelling of 145122315125122 in words is "one hundred forty-five trillion, one hundred twenty-two billion, three hundred fifteen million, one hundred twenty-five thousand, one hundred twenty-two".