151226646 has 8 divisors (see below), whose sum is σ = 302453304. Its totient is φ = 50408880.

The previous prime is 151226627. The next prime is 151226687. The reversal of 151226646 is 646622151.

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

151226646 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12602215 + ... + 12602226.

It is an arithmetic number, because the mean of its divisors is an integer number (37806663).

Almost surely, 2^151226646 is an apocalyptic number.

151226646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

151226646 is a wasteful number, since it uses less digits than its factorization.

151226646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25204446.

The product of its digits is 17280, while the sum is 33.

The square root of 151226646 is about 12297.4243644757. The cubic root of 151226646 is about 532.7736943000.

Adding to 151226646 its reverse (646622151), we get a palindrome (797848797).

The spelling of 151226646 in words is "one hundred fifty-one million, two hundred twenty-six thousand, six hundred forty-six".