151532250 has 64 divisors (see below), whose sum is σ = 391322880. Its totient is φ = 39009600.

The previous prime is 151532243. The next prime is 151532281. The reversal of 151532250 is 52235151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 151532250.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 18267 + ... + 25233.

It is an arithmetic number, because the mean of its divisors is an integer number (6114420).

Almost surely, 2^151532250 is an apocalyptic number.

151532250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 151532250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195661440).

151532250 is an abundant number, since it is smaller than the sum of its proper divisors (239790630).

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

151532250 is a wasteful number, since it uses less digits than its factorization.

151532250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7016 (or 7006 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 151532250 is about 12309.8436220774. The cubic root of 151532250 is about 533.1323352834.

The spelling of 151532250 in words is "one hundred fifty-one million, five hundred thirty-two thousand, two hundred fifty".