145011464321 has 2 divisors, whose sum is σ = 145011464322. Its totient is φ = 145011464320.

The previous prime is 145011464293. The next prime is 145011464347. The reversal of 145011464321 is 123464110541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88622313025 + 56389151296 = 297695^2 + 237464^2 .

It is a cyclic number.

It is not a de Polignac number, because 145011464321 - 2³⁴ = 127831595137 is a prime.

It is not a weakly prime, because it can be changed into another prime (145011466321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72505732160 + 72505732161.

It is an arithmetic number, because the mean of its divisors is an integer number (72505732161).

Almost surely, 2^145011464321 is an apocalyptic number.

It is an amenable number.

145011464321 is a deficient number, since it is larger than the sum of its proper divisors (1).

145011464321 is an equidigital number, since it uses as much as digits as its factorization.

145011464321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 145011464321 its reverse (123464110541), we get a palindrome (268475574862).

The spelling of 145011464321 in words is "one hundred forty-five billion, eleven million, four hundred sixty-four thousand, three hundred twenty-one".