132444157 has 2 divisors, whose sum is σ = 132444158. Its totient is φ = 132444156.

The previous prime is 132444149. The next prime is 132444187. The reversal of 132444157 is 751444231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132227001 + 217156 = 11499^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 132444157 - 2³ = 132444149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132444187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66222078 + 66222079.

It is an arithmetic number, because the mean of its divisors is an integer number (66222079).

Almost surely, 2^132444157 is an apocalyptic number.

It is an amenable number.

132444157 is a deficient number, since it is larger than the sum of its proper divisors (1).

132444157 is an equidigital number, since it uses as much as digits as its factorization.

132444157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 31.

The square root of 132444157 is about 11508.4385126741. The cubic root of 132444157 is about 509.7347807209.

Adding to 132444157 its reverse (751444231), we get a palindrome (883888388).

The spelling of 132444157 in words is "one hundred thirty-two million, four hundred forty-four thousand, one hundred fifty-seven".