145725475452 has 24 divisors (see below), whose sum is σ = 341510946000. Its totient is φ = 48363038976.

The previous prime is 145725475411. The next prime is 145725475453. The reversal of 145725475452 is 254574527541.

It is a super-2 number, since 2×145725475452² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145725475395 and 145725475404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145725475453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26512077 + ... + 26517572.

It is an arithmetic number, because the mean of its divisors is an integer number (14229622750).

Almost surely, 2^145725475452 is an apocalyptic number.

145725475452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

145725475452 is an abundant number, since it is smaller than the sum of its proper divisors (195785470548).

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

145725475452 is a wasteful number, since it uses less digits than its factorization.

145725475452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53029885 (or 53029883 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 51.

The spelling of 145725475452 in words is "one hundred forty-five billion, seven hundred twenty-five million, four hundred seventy-five thousand, four hundred fifty-two".