151338280 has 64 divisors (see below), whose sum is σ = 354631680. Its totient is φ = 58121280.

The previous prime is 151338259. The next prime is 151338289. The reversal of 151338280 is 82833151.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (151338289) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1191577 + ... + 1191703.

It is an arithmetic number, because the mean of its divisors is an integer number (5541120).

Almost surely, 2^151338280 is an apocalyptic number.

151338280 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 151338280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177315840).

151338280 is an abundant number, since it is smaller than the sum of its proper divisors (203293400).

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

151338280 is an equidigital number, since it uses as much as digits as its factorization.

151338280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 151338280 is about 12301.9624450736. The cubic root of 151338280 is about 532.9047581290.

It can be divided in two parts, 1513 and 38280, that added together give a palindrome (39793).

The spelling of 151338280 in words is "one hundred fifty-one million, three hundred thirty-eight thousand, two hundred eighty".