152818840 has 64 divisors (see below), whose sum is σ = 357073920. Its totient is φ = 58800000.

The previous prime is 152818817. The next prime is 152818859. The reversal of 152818840 is 48818251.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 152818840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310995 + ... + 311485.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2^152818840 is an apocalyptic number.

152818840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152818840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178536960).

152818840 is an abundant number, since it is smaller than the sum of its proper divisors (204255080).

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

152818840 is a wasteful number, since it uses less digits than its factorization.

152818840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 37.

The square root of 152818840 is about 12361.9917489052. The cubic root of 152818840 is about 534.6369447045.

The spelling of 152818840 in words is "one hundred fifty-two million, eight hundred eighteen thousand, eight hundred forty".