151968737 has 2 divisors, whose sum is σ = 151968738. Its totient is φ = 151968736.

The previous prime is 151968701. The next prime is 151968743. The reversal of 151968737 is 737869151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146991376 + 4977361 = 12124^2 + 2231^2 .

It is an emirp because it is prime and its reverse (737869151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151968737 - 2¹⁸ = 151706593 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 151968691 and 151968700.

It is not a weakly prime, because it can be changed into another prime (151968637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75984368 + 75984369.

It is an arithmetic number, because the mean of its divisors is an integer number (75984369).

Almost surely, 2^151968737 is an apocalyptic number.

It is an amenable number.

151968737 is a deficient number, since it is larger than the sum of its proper divisors (1).

151968737 is an equidigital number, since it uses as much as digits as its factorization.

151968737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 47.

The square root of 151968737 is about 12327.5600586653. The cubic root of 151968737 is about 533.6437385335.

The spelling of 151968737 in words is "one hundred fifty-one million, nine hundred sixty-eight thousand, seven hundred thirty-seven".