145123455555532 has 6 divisors (see below), whose sum is σ = 253966047222188. Its totient is φ = 72561727777764.

The previous prime is 145123455555523. The next prime is 145123455555557. The reversal of 145123455555532 is 235555554321541.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18140431944438 + ... + 18140431944445.

Almost surely, 2^{145123455555532} is an apocalyptic number.

It is an amenable number.

145123455555532 is a deficient number, since it is larger than the sum of its proper divisors (108842591666656).

145123455555532 is a wasteful number, since it uses less digits than its factorization.

145123455555532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36280863888887 (or 36280863888885 counting only the distinct ones).

The product of its digits is 45000000, while the sum is 55.

The spelling of 145123455555532 in words is "one hundred forty-five trillion, one hundred twenty-three billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred thirty-two".