150726221 has 8 divisors (see below), whose sum is σ = 158810400. Its totient is φ = 142657200.

The previous prime is 150726193. The next prime is 150726241. The reversal of 150726221 is 122627051.

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 150726221 - 2¹⁴ = 150709837 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150726241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20771 + ... + 27071.

It is an arithmetic number, because the mean of its divisors is an integer number (19851300).

Almost surely, 2^150726221 is an apocalyptic number.

It is an amenable number.

150726221 is a deficient number, since it is larger than the sum of its proper divisors (8084179).

150726221 is a wasteful number, since it uses less digits than its factorization.

150726221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 150726221 is about 12277.0607638799. The cubic root of 150726221 is about 532.1853766793.

The spelling of 150726221 in words is "one hundred fifty million, seven hundred twenty-six thousand, two hundred twenty-one".