151454345521 has 2 divisors, whose sum is σ = 151454345522. Its totient is φ = 151454345520.

The previous prime is 151454345509. The next prime is 151454345543. The reversal of 151454345521 is 125543454151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85834350625 + 65619994896 = 292975^2 + 256164^2 .

It is an emirp because it is prime and its reverse (125543454151) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151454345521 is a prime.

It is a super-2 number, since 2×151454345521² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (151454345621) 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, 75727172760 + 75727172761.

It is an arithmetic number, because the mean of its divisors is an integer number (75727172761).

Almost surely, 2^151454345521 is an apocalyptic number.

It is an amenable number.

151454345521 is a deficient number, since it is larger than the sum of its proper divisors (1).

151454345521 is an equidigital number, since it uses as much as digits as its factorization.

151454345521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 240000, while the sum is 40.

Adding to 151454345521 its reverse (125543454151), we get a palindrome (276997799672).

The spelling of 151454345521 in words is "one hundred fifty-one billion, four hundred fifty-four million, three hundred forty-five thousand, five hundred twenty-one".