142402411 has 2 divisors, whose sum is σ = 142402412. Its totient is φ = 142402410.

The previous prime is 142402409. The next prime is 142402483. The reversal of 142402411 is 114204241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142402411 - 2¹ = 142402409 is a prime.

It is a super-2 number, since 2×142402411² = 40556893317225842, which contains 22 as substring.

Together with 142402409, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142405411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71201205 + 71201206.

It is an arithmetic number, because the mean of its divisors is an integer number (71201206).

Almost surely, 2^142402411 is an apocalyptic number.

142402411 is a deficient number, since it is larger than the sum of its proper divisors (1).

142402411 is an equidigital number, since it uses as much as digits as its factorization.

142402411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 142402411 is about 11933.2481328430. The cubic root of 142402411 is about 522.2027013795.

Adding to 142402411 its reverse (114204241), we get a palindrome (256606652).

The spelling of 142402411 in words is "one hundred forty-two million, four hundred two thousand, four hundred eleven".