145436434064525 has 24 divisors (see below), whose sum is σ = 181387930262784. Its totient is φ = 115675194614400.

The previous prime is 145436434064507. The next prime is 145436434064539. The reversal of 145436434064525 is 525460434634541.

It is not a de Polignac number, because 145436434064525 - 2¹² = 145436434060429 is a prime.

It is a super-4 number, since 4×145436434064525⁴ (a number of 58 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12897539 + ... + 21382688.

It is an arithmetic number, because the mean of its divisors is an integer number (7557830427616).

Almost surely, 2^{145436434064525} is an apocalyptic number.

It is an amenable number.

145436434064525 is a deficient number, since it is larger than the sum of its proper divisors (35951496198259).

145436434064525 is a wasteful number, since it uses less digits than its factorization.

145436434064525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34281221 (or 34281216 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 56.

The spelling of 145436434064525 in words is "one hundred forty-five trillion, four hundred thirty-six billion, four hundred thirty-four million, sixty-four thousand, five hundred twenty-five".