151490645281 has 2 divisors, whose sum is σ = 151490645282. Its totient is φ = 151490645280.

The previous prime is 151490645183. The next prime is 151490645297. The reversal of 151490645281 is 182546094151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151305440400 + 185204881 = 388980^2 + 13609^2 .

It is a cyclic number.

It is not a de Polignac number, because 151490645281 - 2⁷ = 151490645153 is a prime.

It is a super-2 number, since 2×151490645281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (151490645381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75745322640 + 75745322641.

It is an arithmetic number, because the mean of its divisors is an integer number (75745322641).

Almost surely, 2^151490645281 is an apocalyptic number.

It is an amenable number.

151490645281 is a deficient number, since it is larger than the sum of its proper divisors (1).

151490645281 is an equidigital number, since it uses as much as digits as its factorization.

151490645281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 151490645281 in words is "one hundred fifty-one billion, four hundred ninety million, six hundred forty-five thousand, two hundred eighty-one".