151053221 has 8 divisors (see below), whose sum is σ = 164909088. Its totient is φ = 137218000.

The previous prime is 151053193. The next prime is 151053223. The reversal of 151053221 is 122350151.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 151053221 - 2¹⁰ = 151052197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151053193 and 151053202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151053223) 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 7 ways as a sum of consecutive naturals, for example, 12911 + ... + 21651.

It is an arithmetic number, because the mean of its divisors is an integer number (20613636).

Almost surely, 2^151053221 is an apocalyptic number.

151053221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151053221 is a deficient number, since it is larger than the sum of its proper divisors (13855867).

151053221 is a wasteful number, since it uses less digits than its factorization.

151053221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10323.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 151053221 is about 12290.3710684422. The cubic root of 151053221 is about 532.5699567917.

The spelling of 151053221 in words is "one hundred fifty-one million, fifty-three thousand, two hundred twenty-one".