151721050 has 24 divisors (see below), whose sum is σ = 303910236. Its totient is φ = 56019840.

The previous prime is 151721047. The next prime is 151721057. The reversal of 151721050 is 50127151.

It can be written as a sum of positive squares in 6 ways, for example, as 48149721 + 103571329 = 6939^2 + 10177^2 .

It is not an unprimeable number, because it can be changed into a prime (151721057) 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 11 ways as a sum of consecutive naturals, for example, 116059 + ... + 117358.

Almost surely, 2^151721050 is an apocalyptic number.

151721050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151721050 is an abundant number, since it is smaller than the sum of its proper divisors (152189186).

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

151721050 is a wasteful number, since it uses less digits than its factorization.

151721050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233442 (or 233437 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 151721050 is about 12317.5098944551. The cubic root of 151721050 is about 533.3536602496.

The spelling of 151721050 in words is "one hundred fifty-one million, seven hundred twenty-one thousand, fifty".