151855900 has 108 divisors (see below), whose sum is σ = 406099008. Its totient is φ = 48975360.

The previous prime is 151855859. The next prime is 151855909. The reversal of 151855900 is 9558151.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151855909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 82389 + ... + 84211.

It is an arithmetic number, because the mean of its divisors is an integer number (3760176).

Almost surely, 2^151855900 is an apocalyptic number.

151855900 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 151855900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203049504).

151855900 is an abundant number, since it is smaller than the sum of its proper divisors (254243108).

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

151855900 is a wasteful number, since it uses less digits than its factorization.

151855900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868 (or 1854 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 151855900 is about 12322.9825935120. The cubic root of 151855900 is about 533.5116287566.

The spelling of 151855900 in words is "one hundred fifty-one million, eight hundred fifty-five thousand, nine hundred".