145422546452 has 12 divisors (see below), whose sum is σ = 254492801556. Its totient is φ = 72710317440.

The previous prime is 145422546439. The next prime is 145422546481. The reversal of 145422546452 is 254645224541.

It is a happy number.

145422546452 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 75490859536 + 69931686916 = 274756^2 + 264446^2 .

It is a super-2 number, since 2×145422546452² (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 3 ways as a sum of consecutive naturals, for example, 188252 + ... + 571212.

It is an arithmetic number, because the mean of its divisors is an integer number (21207733463).

Almost surely, 2^145422546452 is an apocalyptic number.

It is an amenable number.

145422546452 is a deficient number, since it is larger than the sum of its proper divisors (109070255104).

145422546452 is a wasteful number, since it uses less digits than its factorization.

145422546452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477898 (or 477896 counting only the distinct ones).

The product of its digits is 1536000, while the sum is 44.

The spelling of 145422546452 in words is "one hundred forty-five billion, four hundred twenty-two million, five hundred forty-six thousand, four hundred fifty-two".