145050522421 has 8 divisors (see below), whose sum is σ = 166042457984. Its totient is φ = 124126194960.

The previous prime is 145050522391. The next prime is 145050522433. The reversal of 145050522421 is 124225050541.

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 145050522421 - 2⁷ = 145050522293 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 (145050522481) 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, 16897425 + ... + 16906006.

It is an arithmetic number, because the mean of its divisors is an integer number (20755307248).

Almost surely, 2^145050522421 is an apocalyptic number.

It is an amenable number.

145050522421 is a deficient number, since it is larger than the sum of its proper divisors (20991935563).

145050522421 is an equidigital number, since it uses as much as digits as its factorization.

145050522421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33804051.

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 145050522421 its reverse (124225050541), we get a palindrome (269275572962).

The spelling of 145050522421 in words is "one hundred forty-five billion, fifty million, five hundred twenty-two thousand, four hundred twenty-one".