151645513 has 2 divisors, whose sum is σ = 151645514. Its totient is φ = 151645512.

The previous prime is 151645447. The next prime is 151645531. The reversal of 151645513 is 315546151.

It is a happy number.

Together with next prime (151645531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144072009 + 7573504 = 12003^2 + 2752^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151645513 is a prime.

It is a super-2 number, since 2×151645513² = 45992723226066338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (151649513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75822756 + 75822757.

It is an arithmetic number, because the mean of its divisors is an integer number (75822757).

Almost surely, 2^151645513 is an apocalyptic number.

It is an amenable number.

151645513 is a deficient number, since it is larger than the sum of its proper divisors (1).

151645513 is an equidigital number, since it uses as much as digits as its factorization.

151645513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 31.

The square root of 151645513 is about 12314.4432679679. The cubic root of 151645513 is about 533.2651323815.

The spelling of 151645513 in words is "one hundred fifty-one million, six hundred forty-five thousand, five hundred thirteen".