145253007175422 has 128 divisors (see below), whose sum is σ = 296937744998400. Its totient is φ = 47361052569600.

The previous prime is 145253007175379. The next prime is 145253007175447. The reversal of 145253007175422 is 224571700352541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13256634768 + ... + 13256645724.

It is an arithmetic number, because the mean of its divisors is an integer number (2319826132800).

Almost surely, 2^{145253007175422} is an apocalyptic number.

145253007175422 is an abundant number, since it is smaller than the sum of its proper divisors (151684737822978).

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

145253007175422 is a wasteful number, since it uses less digits than its factorization.

145253007175422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11962.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 145253007175422 in words is "one hundred forty-five trillion, two hundred fifty-three billion, seven million, one hundred seventy-five thousand, four hundred twenty-two".