145325666523541 has 64 divisors (see below), whose sum is σ = 172054764112896. Its totient is φ = 120191081472000.

The previous prime is 145325666523539. The next prime is 145325666523559.

145325666523541 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 145325666523541 - 2¹ = 145325666523539 is a prime.

It is a super-2 number, since 2×145325666523541² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145325666523041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14677872691 + ... + 14677882591.

It is an arithmetic number, because the mean of its divisors is an integer number (2688355689264).

Almost surely, 2^{145325666523541} is an apocalyptic number.

It is an amenable number.

145325666523541 is a deficient number, since it is larger than the sum of its proper divisors (26729097589355).

145325666523541 is a wasteful number, since it uses less digits than its factorization.

145325666523541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13142.

The product of its digits is 77760000, while the sum is 58.

The spelling of 145325666523541 in words is "one hundred forty-five trillion, three hundred twenty-five billion, six hundred sixty-six million, five hundred twenty-three thousand, five hundred forty-one".