150030421 has 4 divisors (see below), whose sum is σ = 154870144. Its totient is φ = 145190700.

The previous prime is 150030409. The next prime is 150030467. The reversal of 150030421 is 124030051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 124030051 = 569 ⋅217979.

It is a cyclic number.

It is not a de Polignac number, because 150030421 - 2²³ = 141641813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150030395 and 150030404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150031421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419815 + ... + 2419876.

It is an arithmetic number, because the mean of its divisors is an integer number (38717536).

Almost surely, 2^150030421 is an apocalyptic number.

It is an amenable number.

150030421 is a deficient number, since it is larger than the sum of its proper divisors (4839723).

150030421 is an equidigital number, since it uses as much as digits as its factorization.

150030421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839722.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 150030421 is about 12248.6905830787. The cubic root of 150030421 is about 531.3652012037.

Adding to 150030421 its reverse (124030051), we get a palindrome (274060472).

The spelling of 150030421 in words is "one hundred fifty million, thirty thousand, four hundred twenty-one".