145503300422021 has 8 divisors (see below), whose sum is σ = 146947493833824. Its totient is φ = 144065656640880.

The previous prime is 145503300421957. The next prime is 145503300422033. The reversal of 145503300422021 is 120224003305541.

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 145503300422021 - 2⁶ = 145503300421957 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 (145503300422041) 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, 1637363015 + ... + 1637451876.

It is an arithmetic number, because the mean of its divisors is an integer number (18368436729228).

Almost surely, 2^{145503300422021} is an apocalyptic number.

It is an amenable number.

145503300422021 is a deficient number, since it is larger than the sum of its proper divisors (1444193411803).

145503300422021 is a wasteful number, since it uses less digits than its factorization.

145503300422021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274815331.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 145503300422021 its reverse (120224003305541), we get a palindrome (265727303727562).

The spelling of 145503300422021 in words is "one hundred forty-five trillion, five hundred three billion, three hundred million, four hundred twenty-two thousand, twenty-one".