145220152055 has 8 divisors (see below), whose sum is σ = 190106380944. Its totient is φ = 105614656000.

The previous prime is 145220152027. The next prime is 145220152109. The reversal of 145220152055 is 550251022541.

It is a happy number.

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

It is not a de Polignac number, because 145220152055 - 2¹⁶ = 145220086519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320183146 + ... + 1320183255.

It is an arithmetic number, because the mean of its divisors is an integer number (23763297618).

Almost surely, 2^145220152055 is an apocalyptic number.

145220152055 is a deficient number, since it is larger than the sum of its proper divisors (44886228889).

145220152055 is a wasteful number, since it uses less digits than its factorization.

145220152055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640366417.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 145220152055 its reverse (550251022541), we get a palindrome (695471174596).

The spelling of 145220152055 in words is "one hundred forty-five billion, two hundred twenty million, one hundred fifty-two thousand, fifty-five".