142404240149 has 2 divisors, whose sum is σ = 142404240150. Its totient is φ = 142404240148.

The previous prime is 142404240101. The next prime is 142404240193. The reversal of 142404240149 is 941042404241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95669583025 + 46734657124 = 309305^2 + 216182^2 .

It is a cyclic number.

It is not a de Polignac number, because 142404240149 - 2²⁸ = 142135804693 is a prime.

It is a super-2 number, since 2×142404240149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142404240449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71202120074 + 71202120075.

It is an arithmetic number, because the mean of its divisors is an integer number (71202120075).

Almost surely, 2^142404240149 is an apocalyptic number.

It is an amenable number.

142404240149 is a deficient number, since it is larger than the sum of its proper divisors (1).

142404240149 is an equidigital number, since it uses as much as digits as its factorization.

142404240149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 35.

The spelling of 142404240149 in words is "one hundred forty-two billion, four hundred four million, two hundred forty thousand, one hundred forty-nine".