145522345012 has 48 divisors (see below), whose sum is σ = 281024251200. Its totient is φ = 65385209600.

The previous prime is 145522344931. The next prime is 145522345021. The reversal of 145522345012 is 210543225541.

It is a happy number.

It is a super-2 number, since 2×145522345012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2136864 + ... + 2203912.

It is an arithmetic number, because the mean of its divisors is an integer number (5854671900).

Almost surely, 2^145522345012 is an apocalyptic number.

It is an amenable number.

145522345012 is a deficient number, since it is larger than the sum of its proper divisors (135501906188).

145522345012 is a wasteful number, since it uses less digits than its factorization.

145522345012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67632 (or 67630 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 145522345012 in words is "one hundred forty-five billion, five hundred twenty-two million, three hundred forty-five thousand, twelve".