1523522145042 has 48 divisors (see below), whose sum is σ = 3369032671680. Its totient is φ = 497430863136.

The previous prime is 1523522145017. The next prime is 1523522145043. The reversal of 1523522145042 is 2405412253251.

1523522145042 is a `hidden beast` number, since 1 + 5 + 2 + 352 + 214 + 50 + 42 = 666.

It is a super-2 number, since 2×1523522145042² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1523522144988 and 1523522145006.

It is not an unprimeable number, because it can be changed into a prime (1523522145043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2295318 + ... + 2883665.

It is an arithmetic number, because the mean of its divisors is an integer number (70188180660).

Almost surely, 2^{1523522145042} is an apocalyptic number.

1523522145042 is an abundant number, since it is smaller than the sum of its proper divisors (1845510526638).

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

1523522145042 is a wasteful number, since it uses less digits than its factorization.

1523522145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179327 (or 5179324 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 1523522145042 its reverse (2405412253251), we get a palindrome (3928934398293).

The spelling of 1523522145042 in words is "one trillion, five hundred twenty-three billion, five hundred twenty-two million, one hundred forty-five thousand, forty-two".