151326720 has 156 divisors (see below), whose sum is σ = 525174156. Its totient is φ = 40304640.

The previous prime is 151326709. The next prime is 151326731. The reversal of 151326720 is 27623151.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (151326709) and next prime (151326731).

It can be written as a sum of positive squares in 2 ways, for example, as 47775744 + 103550976 = 6912^2 + 10176^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183910 + ... + 184730.

It is an arithmetic number, because the mean of its divisors is an integer number (3366501).

Almost surely, 2^151326720 is an apocalyptic number.

151326720 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 151326720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262587078).

151326720 is an abundant number, since it is smaller than the sum of its proper divisors (373847436).

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

151326720 is an equidigital number, since it uses as much as digits as its factorization.

151326720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856 (or 831 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 151326720 is about 12301.4925923646. The cubic root of 151326720 is about 532.8911891103.

Adding to 151326720 its reverse (27623151), we get a palindrome (178949871).

The spelling of 151326720 in words is "one hundred fifty-one million, three hundred twenty-six thousand, seven hundred twenty".