145025055431444 has 24 divisors (see below), whose sum is σ = 259785673475328. Its totient is φ = 70801741503360.

The previous prime is 145025055431381. The next prime is 145025055431461. The reversal of 145025055431444 is 444134550520541.

It is a super-3 number, since 3×145025055431444³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145026212 + ... + 146022779.

It is an arithmetic number, because the mean of its divisors is an integer number (10824403061472).

Almost surely, 2^{145025055431444} is an apocalyptic number.

It is an amenable number.

145025055431444 is a deficient number, since it is larger than the sum of its proper divisors (114760618043884).

145025055431444 is a wasteful number, since it uses less digits than its factorization.

145025055431444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291051935 (or 291051933 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 47.

The spelling of 145025055431444 in words is "one hundred forty-five trillion, twenty-five billion, fifty-five million, four hundred thirty-one thousand, four hundred forty-four".