151225320 has 64 divisors (see below), whose sum is σ = 463345920. Its totient is φ = 39467264.

The previous prime is 151225309. The next prime is 151225339. The reversal of 151225320 is 23522151.

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 15 ways as a sum of consecutive naturals, for example, 7767 + ... + 19046.

It is an arithmetic number, because the mean of its divisors is an integer number (7239780).

Almost surely, 2^151225320 is an apocalyptic number.

151225320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151225320 is an abundant number, since it is smaller than the sum of its proper divisors (312120600).

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

151225320 is a wasteful number, since it uses less digits than its factorization.

151225320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26874 (or 26870 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 151225320 is about 12297.3704506289. The cubic root of 151225320 is about 532.7721371230.

Adding to 151225320 its reverse (23522151), we get a palindrome (174747471).

The spelling of 151225320 in words is "one hundred fifty-one million, two hundred twenty-five thousand, three hundred twenty".