151645400077 has 4 divisors (see below), whose sum is σ = 151646332636. Its totient is φ = 151644467520.

The previous prime is 151645400063. The next prime is 151645400089. The reversal of 151645400077 is 770004546151.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 111842756041 + 39802644036 = 334429^2 + 199506^2 .

It is a cyclic number.

It is not a de Polignac number, because 151645400077 - 2²⁷ = 151511182349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151645400047) 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 in 3 ways as a sum of consecutive naturals, for example, 151548 + ... + 571189.

It is an arithmetic number, because the mean of its divisors is an integer number (37911583159).

Almost surely, 2^151645400077 is an apocalyptic number.

It is an amenable number.

151645400077 is a deficient number, since it is larger than the sum of its proper divisors (932559).

151645400077 is an equidigital number, since it uses as much as digits as its factorization.

151645400077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932558.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 151645400077 in words is "one hundred fifty-one billion, six hundred forty-five million, four hundred thousand, seventy-seven".