150216421 has 8 divisors (see below), whose sum is σ = 155570688. Its totient is φ = 144894000.

The previous prime is 150216401. The next prime is 150216439. The reversal of 150216421 is 124612051.

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

It is not a de Polignac number, because 150216421 - 2¹¹ = 150214373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150216392 and 150216401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150216401) 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, 1851 + ... + 17431.

It is an arithmetic number, because the mean of its divisors is an integer number (19446336).

Almost surely, 2^150216421 is an apocalyptic number.

It is an amenable number.

150216421 is a deficient number, since it is larger than the sum of its proper divisors (5354267).

150216421 is a wasteful number, since it uses less digits than its factorization.

150216421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15923.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 150216421 is about 12256.2808796143. The cubic root of 150216421 is about 531.5846969385.

Adding to 150216421 its reverse (124612051), we get a palindrome (274828472).

The spelling of 150216421 in words is "one hundred fifty million, two hundred sixteen thousand, four hundred twenty-one".