151742317 has 2 divisors, whose sum is σ = 151742318. Its totient is φ = 151742316.

The previous prime is 151742281. The next prime is 151742333. The reversal of 151742317 is 713247151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151314601 + 427716 = 12301^2 + 654^2 .

It is a cyclic number.

It is not a de Polignac number, because 151742317 - 2²³ = 143353709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151742377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75871158 + 75871159.

It is an arithmetic number, because the mean of its divisors is an integer number (75871159).

Almost surely, 2^151742317 is an apocalyptic number.

It is an amenable number.

151742317 is a deficient number, since it is larger than the sum of its proper divisors (1).

151742317 is an equidigital number, since it uses as much as digits as its factorization.

151742317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880, while the sum is 31.

The square root of 151742317 is about 12318.3731474574. The cubic root of 151742317 is about 533.3785794513.

Adding to 151742317 its reverse (713247151), we get a palindrome (864989468).

It can be divided in two parts, 1517 and 42317, that added together give a palindrome (43834).

The spelling of 151742317 in words is "one hundred fifty-one million, seven hundred forty-two thousand, three hundred seventeen".