151869900 has 144 divisors (see below), whose sum is σ = 540909824. Its totient is φ = 32037120.

The previous prime is 151869881. The next prime is 151869901. The reversal of 151869900 is 9968151.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (151869901) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 24519 + ... + 30081.

Almost surely, 2^151869900 is an apocalyptic number.

151869900 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 151869900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270454912).

151869900 is an abundant number, since it is smaller than the sum of its proper divisors (389039924).

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

151869900 is a wasteful number, since it uses less digits than its factorization.

151869900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600 (or 5593 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 151869900 is about 12323.5506247185. The cubic root of 151869900 is about 533.5280235389.

The spelling of 151869900 in words is "one hundred fifty-one million, eight hundred sixty-nine thousand, nine hundred".