145531241122 has 8 divisors (see below), whose sum is σ = 222415670556. Its totient is φ = 71392684272.

The previous prime is 145531241117. The next prime is 145531241137. The reversal of 145531241122 is 221142135541.

It can be written as a sum of positive squares in 2 ways, for example, as 121556125201 + 23975115921 = 348649^2 + 154839^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686468013 + ... + 686468224.

Almost surely, 2^145531241122 is an apocalyptic number.

145531241122 is a deficient number, since it is larger than the sum of its proper divisors (76884429434).

145531241122 is a wasteful number, since it uses less digits than its factorization.

145531241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372936292.

The product of its digits is 9600, while the sum is 31.

Adding to 145531241122 its reverse (221142135541), we get a palindrome (366673376663).

The spelling of 145531241122 in words is "one hundred forty-five billion, five hundred thirty-one million, two hundred forty-one thousand, one hundred twenty-two".