142131224149 has 2 divisors, whose sum is σ = 142131224150. Its totient is φ = 142131224148.

The previous prime is 142131224093. The next prime is 142131224159. The reversal of 142131224149 is 941422131241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107048061124 + 35083163025 = 327182^2 + 187305^2 .

It is a cyclic number.

It is not a de Polignac number, because 142131224149 - 2¹³ = 142131215957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142131224159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71065612074 + 71065612075.

It is an arithmetic number, because the mean of its divisors is an integer number (71065612075).

Almost surely, 2^142131224149 is an apocalyptic number.

It is an amenable number.

142131224149 is a deficient number, since it is larger than the sum of its proper divisors (1).

142131224149 is an equidigital number, since it uses as much as digits as its factorization.

142131224149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The spelling of 142131224149 in words is "one hundred forty-two billion, one hundred thirty-one million, two hundred twenty-four thousand, one hundred forty-nine".