150421506 has 16 divisors (see below), whose sum is σ = 300969984. Its totient is φ = 50119344.

The previous prime is 150421501. The next prime is 150421511. The reversal of 150421506 is 605124051.

It is an interprime number because it is at equal distance from previous prime (150421501) and next prime (150421511).

It is not an unprimeable number, because it can be changed into a prime (150421501) 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, 18000 + ... + 24996.

It is an arithmetic number, because the mean of its divisors is an integer number (18810624).

Almost surely, 2^150421506 is an apocalyptic number.

150421506 is an abundant number, since it is smaller than the sum of its proper divisors (150548478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150421506 is a wasteful number, since it uses less digits than its factorization.

150421506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 150421506 is about 12264.6445525339. The cubic root of 150421506 is about 531.8265046599.

Adding to 150421506 its reverse (605124051), we get a palindrome (755545557).

The spelling of 150421506 in words is "one hundred fifty million, four hundred twenty-one thousand, five hundred six".