142045051 has 2 divisors, whose sum is σ = 142045052. Its totient is φ = 142045050.

The previous prime is 142045049. The next prime is 142045061. The reversal of 142045051 is 150540241.

It is a weak prime.

It is an emirp because it is prime and its reverse (150540241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142045051 - 2¹ = 142045049 is a prime.

Together with 142045049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142045021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022525 + 71022526.

It is an arithmetic number, because the mean of its divisors is an integer number (71022526).

Almost surely, 2^142045051 is an apocalyptic number.

142045051 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045051 is an equidigital number, since it uses as much as digits as its factorization.

142045051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 142045051 is about 11918.2654358761. The cubic root of 142045051 is about 521.7655114999.

Adding to 142045051 its reverse (150540241), we get a palindrome (292585292).

The spelling of 142045051 in words is "one hundred forty-two million, forty-five thousand, fifty-one".