145555510291 has 2 divisors, whose sum is σ = 145555510292. Its totient is φ = 145555510290.

The previous prime is 145555510253. The next prime is 145555510369. The reversal of 145555510291 is 192015555541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145555510291 - 2⁹ = 145555509779 is a prime.

It is not a weakly prime, because it can be changed into another prime (145555510201) 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, 72777755145 + 72777755146.

It is an arithmetic number, because the mean of its divisors is an integer number (72777755146).

Almost surely, 2^145555510291 is an apocalyptic number.

145555510291 is a deficient number, since it is larger than the sum of its proper divisors (1).

145555510291 is an equidigital number, since it uses as much as digits as its factorization.

145555510291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225000, while the sum is 43.

The spelling of 145555510291 in words is "one hundred forty-five billion, five hundred fifty-five million, five hundred ten thousand, two hundred ninety-one".