142045747 has 2 divisors, whose sum is σ = 142045748. Its totient is φ = 142045746.

The previous prime is 142045721. The next prime is 142045763. The reversal of 142045747 is 747540241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142045747 - 2¹⁵ = 142012979 is a prime.

It is not a weakly prime, because it can be changed into another prime (142045147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71022873 + 71022874.

It is an arithmetic number, because the mean of its divisors is an integer number (71022874).

Almost surely, 2^142045747 is an apocalyptic number.

142045747 is a deficient number, since it is larger than the sum of its proper divisors (1).

142045747 is an equidigital number, since it uses as much as digits as its factorization.

142045747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31360, while the sum is 34.

The square root of 142045747 is about 11918.2946347202. The cubic root of 142045747 is about 521.7663636901.

Adding to 142045747 its reverse (747540241), we get a palindrome (889585988).

The spelling of 142045747 in words is "one hundred forty-two million, forty-five thousand, seven hundred forty-seven".