151891226 has 8 divisors (see below), whose sum is σ = 241239060. Its totient is φ = 71478208.

The previous prime is 151891217. The next prime is 151891231. The reversal of 151891226 is 622198151.

It can be written as a sum of positive squares in 2 ways, for example, as 151167025 + 724201 = 12295^2 + 851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233661 + ... + 2233728.

Almost surely, 2^151891226 is an apocalyptic number.

151891226 is a deficient number, since it is larger than the sum of its proper divisors (89347834).

151891226 is a wasteful number, since it uses less digits than its factorization.

151891226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467408.

The product of its digits is 8640, while the sum is 35.

The square root of 151891226 is about 12324.4158482258. The cubic root of 151891226 is about 533.5529955404.

The spelling of 151891226 in words is "one hundred fifty-one million, eight hundred ninety-one thousand, two hundred twenty-six".