145125505672 has 32 divisors (see below), whose sum is σ = 311038974720. Its totient is φ = 62185495680.

The previous prime is 145125505669. The next prime is 145125505673. The reversal of 145125505672 is 276505521541.

It is a super-2 number, since 2×145125505672² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (145125505673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86772 + ... + 545692.

It is an arithmetic number, because the mean of its divisors is an integer number (9719967960).

Almost surely, 2^145125505672 is an apocalyptic number.

It is an amenable number.

145125505672 is an abundant number, since it is smaller than the sum of its proper divisors (165913469048).

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

145125505672 is a wasteful number, since it uses less digits than its factorization.

145125505672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464581 (or 464577 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 145125505672 in words is "one hundred forty-five billion, one hundred twenty-five million, five hundred five thousand, six hundred seventy-two".