145500501255421 has 8 divisors (see below), whose sum is σ = 156750476395520. Its totient is φ = 134258758813872.

The previous prime is 145500501255377. The next prime is 145500501255479. The reversal of 145500501255421 is 124552105005541.

145500501255421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145500501255421 - 2⁷ = 145500501255293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145500501255121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2058137925 + ... + 2058208618.

It is an arithmetic number, because the mean of its divisors is an integer number (19593809549440).

Almost surely, 2^{145500501255421} is an apocalyptic number.

It is an amenable number.

145500501255421 is a deficient number, since it is larger than the sum of its proper divisors (11249975140099).

145500501255421 is a wasteful number, since it uses less digits than its factorization.

145500501255421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4116349275.

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 145500501255421 in words is "one hundred forty-five trillion, five hundred billion, five hundred one million, two hundred fifty-five thousand, four hundred twenty-one".