153144122 has 4 divisors (see below), whose sum is σ = 229716186. Its totient is φ = 76572060.

The previous prime is 153144119. The next prime is 153144127. The reversal of 153144122 is 221441351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221441351 = 13291 ⋅16661.

It can be written as a sum of positive squares in only one way, i.e., 149059681 + 4084441 = 12209^2 + 2021^2 .

It is not an unprimeable number, because it can be changed into a prime (153144127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38286029 + ... + 38286032.

Almost surely, 2^153144122 is an apocalyptic number.

153144122 is a deficient number, since it is larger than the sum of its proper divisors (76572064).

153144122 is an equidigital number, since it uses as much as digits as its factorization.

153144122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76572063.

The product of its digits is 960, while the sum is 23.

The square root of 153144122 is about 12375.1412921227. The cubic root of 153144122 is about 535.0160090705.

Adding to 153144122 its reverse (221441351), we get a palindrome (374585473).

The spelling of 153144122 in words is "one hundred fifty-three million, one hundred forty-four thousand, one hundred twenty-two".