144020122 has 8 divisors (see below), whose sum is σ = 217480500. Its totient is φ = 71526624.

The previous prime is 144020113. The next prime is 144020137. The reversal of 144020122 is 221020441.

It can be written as a sum of positive squares in 2 ways, for example, as 98982601 + 45037521 = 9949^2 + 6711^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 144020096 and 144020105.

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, 241347 + ... + 241942.

Almost surely, 2^144020122 is an apocalyptic number.

144020122 is a deficient number, since it is larger than the sum of its proper divisors (73460378).

144020122 is a wasteful number, since it uses less digits than its factorization.

144020122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483440.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 144020122 is about 12000.8383873794. The cubic root of 144020122 is about 524.1726918521.

Adding to 144020122 its reverse (221020441), we get a palindrome (365040563).

The spelling of 144020122 in words is "one hundred forty-four million, twenty thousand, one hundred twenty-two".