815352153462 has 128 divisors (see below), whose sum is σ = 2263120404480. Its totient is φ = 211392024480.

The previous prime is 815352153461. The next prime is 815352153481. The reversal of 815352153462 is 264351253518.

It is a happy number.

815352153462 is a `hidden beast` number, since 8 + 1 + 5 + 3 + 52 + 1 + 534 + 62 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815352153461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2095183 + ... + 2453669.

It is an arithmetic number, because the mean of its divisors is an integer number (17680628160).

Almost surely, 2^815352153462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 815352153462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131560202240).

815352153462 is an abundant number, since it is smaller than the sum of its proper divisors (1447768251018).

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

815352153462 is a wasteful number, since it uses less digits than its factorization.

815352153462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359063 (or 359057 counting only the distinct ones).

The product of its digits is 864000, while the sum is 45.

The spelling of 815352153462 in words is "eight hundred fifteen billion, three hundred fifty-two million, one hundred fifty-three thousand, four hundred sixty-two".