146521415252 has 12 divisors (see below), whose sum is σ = 256416287316. Its totient is φ = 73259618880.

The previous prime is 146521415233. The next prime is 146521415267. The reversal of 146521415252 is 252514125641.

146521415252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 67410852496 + 79110562756 = 259636^2 + 281266^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 81752 + ... + 547472.

It is an arithmetic number, because the mean of its divisors is an integer number (21368023943).

Almost surely, 2^146521415252 is an apocalyptic number.

It is an amenable number.

146521415252 is a deficient number, since it is larger than the sum of its proper divisors (109894872064).

146521415252 is a wasteful number, since it uses less digits than its factorization.

146521415252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544378 (or 544376 counting only the distinct ones).

The product of its digits is 96000, while the sum is 38.

The spelling of 146521415252 in words is "one hundred forty-six billion, five hundred twenty-one million, four hundred fifteen thousand, two hundred fifty-two".