150346721 has 8 divisors (see below), whose sum is σ = 173756160. Its totient is φ = 127420128.

The previous prime is 150346711. The next prime is 150346723. The reversal of 150346721 is 127643051.

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 150346721 - 2¹⁰ = 150345697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150346723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120041 + ... + 121286.

It is an arithmetic number, because the mean of its divisors is an integer number (21719520).

Almost surely, 2^150346721 is an apocalyptic number.

It is an amenable number.

150346721 is a deficient number, since it is larger than the sum of its proper divisors (23409439).

150346721 is an equidigital number, since it uses as much as digits as its factorization.

150346721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241423.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 150346721 is about 12261.5953692821. The cubic root of 150346721 is about 531.7383540595.

Adding to 150346721 its reverse (127643051), we get a palindrome (277989772).

The spelling of 150346721 in words is "one hundred fifty million, three hundred forty-six thousand, seven hundred twenty-one".