142604471 has 2 divisors, whose sum is σ = 142604472. Its totient is φ = 142604470.

The previous prime is 142604461. The next prime is 142604477. The reversal of 142604471 is 174406241.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (174406241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142604471 - 2¹⁴ = 142588087 is a prime.

It is a super-3 number, since 3×142604471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142604477) 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, 71302235 + 71302236.

It is an arithmetic number, because the mean of its divisors is an integer number (71302236).

Almost surely, 2^142604471 is an apocalyptic number.

142604471 is a deficient number, since it is larger than the sum of its proper divisors (1).

142604471 is an equidigital number, since it uses as much as digits as its factorization.

142604471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 142604471 is about 11941.7113932635. The cubic root of 142604471 is about 522.4495755006.

The spelling of 142604471 in words is "one hundred forty-two million, six hundred four thousand, four hundred seventy-one".