151225500 has 96 divisors (see below), whose sum is σ = 443596608. Its totient is φ = 40032000.

The previous prime is 151225493. The next prime is 151225511. The reversal of 151225500 is 5522151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271222 + ... + 271778.

It is an arithmetic number, because the mean of its divisors is an integer number (4620798).

Almost surely, 2^151225500 is an apocalyptic number.

151225500 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 151225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221798304).

151225500 is an abundant number, since it is smaller than the sum of its proper divisors (292371108).

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

151225500 is a wasteful number, since it uses less digits than its factorization.

151225500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760 (or 748 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 151225500 is about 12297.3777692645. The cubic root of 151225500 is about 532.7723485050.

Adding to 151225500 its reverse (5522151), we get a palindrome (156747651).

The spelling of 151225500 in words is "one hundred fifty-one million, two hundred twenty-five thousand, five hundred".