145266464662541 has 4 divisors (see below), whose sum is σ = 145266862516284. Its totient is φ = 145266066808800.

The previous prime is 145266464662469. The next prime is 145266464662547.

145266464662541 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76629382100041 + 68637082562500 = 8753821^2 + 8284750^2 .

It is a cyclic number.

It is not a de Polignac number, because 145266464662541 - 2²⁶ = 145266397553677 is a prime.

It is a super-2 number, since 2×145266464662541² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145266464662547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198378680 + ... + 199109601.

It is an arithmetic number, because the mean of its divisors is an integer number (36316715629071).

Almost surely, 2^{145266464662541} is an apocalyptic number.

It is an amenable number.

145266464662541 is a deficient number, since it is larger than the sum of its proper divisors (397853743).

145266464662541 is an equidigital number, since it uses as much as digits as its factorization.

145266464662541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397853742.

The product of its digits is 199065600, while the sum is 62.

The spelling of 145266464662541 in words is "one hundred forty-five trillion, two hundred sixty-six billion, four hundred sixty-four million, six hundred sixty-two thousand, five hundred forty-one".