150220424 has 16 divisors (see below), whose sum is σ = 282684300. Its totient is φ = 74837952.

The previous prime is 150220417. The next prime is 150220487. The reversal of 150220424 is 424022051.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 149279524 + 940900 = 12218^2 + 970^2 .

It is a junction number, because it is equal to n+sod(n) for n = 150220396 and 150220405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31679 + ... + 36110.

Almost surely, 2^150220424 is an apocalyptic number.

It is an amenable number.

150220424 is a deficient number, since it is larger than the sum of its proper divisors (132463876).

150220424 is a wasteful number, since it uses less digits than its factorization.

150220424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68072 (or 68068 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 150220424 is about 12256.4441825515. Note that the first 3 decimals coincide. The cubic root of 150220424 is about 531.5894188249.

Adding to 150220424 its reverse (424022051), we get a palindrome (574242475).

The spelling of 150220424 in words is "one hundred fifty million, two hundred twenty thousand, four hundred twenty-four".