151687733 has 2 divisors, whose sum is σ = 151687734. Its totient is φ = 151687732.

The previous prime is 151687699. The next prime is 151687747. The reversal of 151687733 is 337786151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148888804 + 2798929 = 12202^2 + 1673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151687733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151687763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75843866 + 75843867.

It is an arithmetic number, because the mean of its divisors is an integer number (75843867).

Almost surely, 2^151687733 is an apocalyptic number.

It is an amenable number.

151687733 is a deficient number, since it is larger than the sum of its proper divisors (1).

151687733 is an equidigital number, since it uses as much as digits as its factorization.

151687733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 41.

The square root of 151687733 is about 12316.1573958764. The cubic root of 151687733 is about 533.3146170081.

The spelling of 151687733 in words is "one hundred fifty-one million, six hundred eighty-seven thousand, seven hundred thirty-three".