150421811 has 8 divisors (see below), whose sum is σ = 155746800. Its totient is φ = 145106080.

The previous prime is 150421801. The next prime is 150421819. The reversal of 150421811 is 118124051.

150421811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 150421811 - 2²⁶ = 83312947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150421819) 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, 56081 + ... + 58701.

It is an arithmetic number, because the mean of its divisors is an integer number (19468350).

Almost surely, 2^150421811 is an apocalyptic number.

150421811 is a deficient number, since it is larger than the sum of its proper divisors (5324989).

150421811 is a wasteful number, since it uses less digits than its factorization.

150421811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 150421811 is about 12264.6569866426. The cubic root of 150421811 is about 531.8268641098.

Adding to 150421811 its reverse (118124051), we get a palindrome (268545862).

The spelling of 150421811 in words is "one hundred fifty million, four hundred twenty-one thousand, eight hundred eleven".