1522146546 has 64 divisors (see below), whose sum is σ = 3456000000. Its totient is φ = 496447056.

The previous prime is 1522146541. The next prime is 1522146553. The reversal of 1522146546 is 6456412251.

1522146546 is a `hidden beast` number, since 1 + 52 + 21 + 46 + 546 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1522146546.

It is not an unprimeable number, because it can be changed into a prime (1522146541) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 760455 + ... + 762453.

It is an arithmetic number, because the mean of its divisors is an integer number (54000000).

Almost surely, 2^1522146546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1522146546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728000000).

1522146546 is an abundant number, since it is smaller than the sum of its proper divisors (1933853454).

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

1522146546 is a wasteful number, since it uses less digits than its factorization.

1522146546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 1522146546 is about 39014.6965386122. The cubic root of 1522146546 is about 1150.3204012100.

Adding to 1522146546 its reverse (6456412251), we get a palindrome (7978558797).

The spelling of 1522146546 in words is "one billion, five hundred twenty-two million, one hundred forty-six thousand, five hundred forty-six".