145422425620 has 48 divisors (see below), whose sum is σ = 306610956288. Its totient is φ = 57936314880.

The previous prime is 145422425503. The next prime is 145422425623. The reversal of 145422425620 is 26524224541.

145422425620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×145422425620² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145422425620.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145422425623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5218444 + ... + 5246236.

It is an arithmetic number, because the mean of its divisors is an integer number (6387728256).

Almost surely, 2^145422425620 is an apocalyptic number.

145422425620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145422425620 is an abundant number, since it is smaller than the sum of its proper divisors (161188530668).

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

145422425620 is a wasteful number, since it uses less digits than its factorization.

145422425620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28840 (or 28838 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

The spelling of 145422425620 in words is "one hundred forty-five billion, four hundred twenty-two million, four hundred twenty-five thousand, six hundred twenty".