145220152056 has 64 divisors (see below), whose sum is σ = 415284729600. Its totient is φ = 41454471168.

The previous prime is 145220152027. The next prime is 145220152109. The reversal of 145220152056 is 650251022541.

It is a super-2 number, since 2×145220152056² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196201 + ... + 573528.

It is an arithmetic number, because the mean of its divisors is an integer number (6488823900).

Almost surely, 2^145220152056 is an apocalyptic number.

It is an amenable number.

145220152056 is an abundant number, since it is smaller than the sum of its proper divisors (270064577544).

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

145220152056 is a wasteful number, since it uses less digits than its factorization.

145220152056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770868 (or 770864 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 145220152056 its reverse (650251022541), we get a palindrome (795471174597).

The spelling of 145220152056 in words is "one hundred forty-five billion, two hundred twenty million, one hundred fifty-two thousand, fifty-six".