145948755497 has 2 divisors, whose sum is σ = 145948755498. Its totient is φ = 145948755496.

The previous prime is 145948755461. The next prime is 145948755523. The reversal of 145948755497 is 794557849541.

145948755497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89774541376 + 56174214121 = 299624^2 + 237011^2 .

It is a cyclic number.

It is not a de Polignac number, because 145948755497 - 2¹⁶ = 145948689961 is a prime.

It is a super-2 number, since 2×145948755497² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145948755427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72974377748 + 72974377749.

It is an arithmetic number, because the mean of its divisors is an integer number (72974377749).

Almost surely, 2^145948755497 is an apocalyptic number.

It is an amenable number.

145948755497 is a deficient number, since it is larger than the sum of its proper divisors (1).

145948755497 is an equidigital number, since it uses as much as digits as its factorization.

145948755497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016000, while the sum is 68.

The spelling of 145948755497 in words is "one hundred forty-five billion, nine hundred forty-eight million, seven hundred fifty-five thousand, four hundred ninety-seven".