122144145 has 16 divisors (see below), whose sum is σ = 203928192. Its totient is φ = 62311040.

The previous prime is 122144129. The next prime is 122144153. The reversal of 122144145 is 541441221.

It is not a de Polignac number, because 122144145 - 2⁴ = 122144129 is a prime.

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, 176676 + ... + 177365.

It is an arithmetic number, because the mean of its divisors is an integer number (12745512).

Almost surely, 2^122144145 is an apocalyptic number.

122144145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122144145 is a deficient number, since it is larger than the sum of its proper divisors (81784047).

122144145 is a wasteful number, since it uses less digits than its factorization.

122144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354072.

The product of its digits is 1280, while the sum is 24.

The square root of 122144145 is about 11051.8842284924. The cubic root of 122144145 is about 496.1628207758.

Adding to 122144145 its reverse (541441221), we get a palindrome (663585366).

The spelling of 122144145 in words is "one hundred twenty-two million, one hundred forty-four thousand, one hundred forty-five".