151440000 has 160 divisors (see below), whose sum is σ = 503463840. Its totient is φ = 40320000.

The previous prime is 151439987. The next prime is 151440011. The reversal of 151440000 is 44151.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 239685 + ... + 240315.

It is an arithmetic number, because the mean of its divisors is an integer number (3146649).

Almost surely, 2^151440000 is an apocalyptic number.

151440000 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 151440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251731920).

151440000 is an abundant number, since it is smaller than the sum of its proper divisors (352023840).

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

151440000 is an frugal number, since it uses more digits than its factorization.

151440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 151440000 is about 12306.0960503321. The cubic root of 151440000 is about 533.0241263234.

Adding to 151440000 its reverse (44151), we get a palindrome (151484151).

It can be divided in two parts, 1514 and 40000, that added together give a palindrome (41514).

The spelling of 151440000 in words is "one hundred fifty-one million, four hundred forty thousand".