151782641 has 2 divisors, whose sum is σ = 151782642. Its totient is φ = 151782640.

The previous prime is 151782637. The next prime is 151782643. The reversal of 151782641 is 146287151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112042225 + 39740416 = 10585^2 + 6304^2 .

It is an emirp because it is prime and its reverse (146287151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151782641 - 2² = 151782637 is a prime.

Together with 151782643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (151782643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75891320 + 75891321.

It is an arithmetic number, because the mean of its divisors is an integer number (75891321).

Almost surely, 2^151782641 is an apocalyptic number.

It is an amenable number.

151782641 is a deficient number, since it is larger than the sum of its proper divisors (1).

151782641 is an equidigital number, since it uses as much as digits as its factorization.

151782641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13440, while the sum is 35.

The square root of 151782641 is about 12320.0097808403. The cubic root of 151782641 is about 533.4258219375.

The spelling of 151782641 in words is "one hundred fifty-one million, seven hundred eighty-two thousand, six hundred forty-one".