152781804 has 72 divisors (see below), whose sum is σ = 450413600. Its totient is φ = 43648416.

The previous prime is 152781803. The next prime is 152781809. The reversal of 152781804 is 408187251.

152781804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (152781803) 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, 6162 + ... + 18534.

Almost surely, 2^152781804 is an apocalyptic number.

152781804 is a gapful number since it is divisible by the number (14) 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 152781804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225206800).

152781804 is an abundant number, since it is smaller than the sum of its proper divisors (297631796).

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

152781804 is a wasteful number, since it uses less digits than its factorization.

152781804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12404 (or 12385 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 152781804 is about 12360.4936794612. The cubic root of 152781804 is about 534.5937510475.

The spelling of 152781804 in words is "one hundred fifty-two million, seven hundred eighty-one thousand, eight hundred four".