150421718 has 16 divisors (see below), whose sum is σ = 227266560. Its totient is φ = 74668776.

The previous prime is 150421693. The next prime is 150421741. The reversal of 150421718 is 817124051.

150421718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274721 + ... + 275267.

It is an arithmetic number, because the mean of its divisors is an integer number (14204160).

Almost surely, 2^150421718 is an apocalyptic number.

150421718 is a deficient number, since it is larger than the sum of its proper divisors (76844842).

150421718 is a wasteful number, since it uses less digits than its factorization.

150421718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 2240, while the sum is 29.

The square root of 150421718 is about 12264.6531952599. The cubic root of 150421718 is about 531.8267545071.

Adding to 150421718 its reverse (817124051), we get a palindrome (967545769).

The spelling of 150421718 in words is "one hundred fifty million, four hundred twenty-one thousand, seven hundred eighteen".