7145412474552 has 128 divisors (see below), whose sum is σ = 20639219385600. Its totient is φ = 2037373184000.

The previous prime is 7145412474521. The next prime is 7145412474581. The reversal of 7145412474552 is 2554742145417.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 7145412474495 and 7145412474504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17076574 + ... + 17490002.

It is an arithmetic number, because the mean of its divisors is an integer number (161243901450).

Almost surely, 2^{7145412474552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7145412474552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10319609692800).

7145412474552 is an abundant number, since it is smaller than the sum of its proper divisors (13493806911048).

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

7145412474552 is a wasteful number, since it uses less digits than its factorization.

7145412474552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417317 (or 417313 counting only the distinct ones).

The product of its digits is 6272000, while the sum is 51.

The spelling of 7145412474552 in words is "seven trillion, one hundred forty-five billion, four hundred twelve million, four hundred seventy-four thousand, five hundred fifty-two".