151603312 has 80 divisors (see below), whose sum is σ = 346049280. Its totient is φ = 63005184.

The previous prime is 151603303. The next prime is 151603313. The reversal of 151603312 is 213306151.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151603313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667743 + ... + 667969.

It is an arithmetic number, because the mean of its divisors is an integer number (4325616).

Almost surely, 2^151603312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151603312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173024640).

151603312 is an abundant number, since it is smaller than the sum of its proper divisors (194445968).

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

151603312 is a wasteful number, since it uses less digits than its factorization.

151603312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 151603312 is about 12312.7296729848. The cubic root of 151603312 is about 533.2156608447.

Adding to 151603312 its reverse (213306151), we get a palindrome (364909463).

The spelling of 151603312 in words is "one hundred fifty-one million, six hundred three thousand, three hundred twelve".