145504020225042 has 48 divisors (see below), whose sum is σ = 316274984520768. Its totient is φ = 48345228030240.

The previous prime is 145504020225023. The next prime is 145504020225059. The reversal of 145504020225042 is 240522020405541.

145504020225042 is a `hidden beast` number, since 1 + 4 + 550 + 40 + 2 + 0 + 2 + 25 + 0 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 145504020224988 and 145504020225006.

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, 2565153 + ... + 17250740.

It is an arithmetic number, because the mean of its divisors is an integer number (6589062177516).

Almost surely, 2^{145504020225042} is an apocalyptic number.

145504020225042 is an abundant number, since it is smaller than the sum of its proper divisors (170770964295726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145504020225042 is a wasteful number, since it uses less digits than its factorization.

145504020225042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19817215 (or 19817212 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 145504020225042 in words is "one hundred forty-five trillion, five hundred four billion, twenty million, two hundred twenty-five thousand, forty-two".