145231664051 has 2 divisors, whose sum is σ = 145231664052. Its totient is φ = 145231664050.

The previous prime is 145231664047. The next prime is 145231664087. The reversal of 145231664051 is 150466132541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145231664051 - 2² = 145231664047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145231663996 and 145231664014.

It is not a weakly prime, because it can be changed into another prime (145231664651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72615832025 + 72615832026.

It is an arithmetic number, because the mean of its divisors is an integer number (72615832026).

Almost surely, 2^145231664051 is an apocalyptic number.

145231664051 is a deficient number, since it is larger than the sum of its proper divisors (1).

145231664051 is an equidigital number, since it uses as much as digits as its factorization.

145231664051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 145231664051 its reverse (150466132541), we get a palindrome (295697796592).

The spelling of 145231664051 in words is "one hundred forty-five billion, two hundred thirty-one million, six hundred sixty-four thousand, fifty-one".