150421550 has 48 divisors (see below), whose sum is σ = 291342960. Its totient is φ = 57711360.

The previous prime is 150421549. The next prime is 150421553. The reversal of 150421550 is 55124051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150421553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328922 + ... + 329378.

It is an arithmetic number, because the mean of its divisors is an integer number (6069645).

Almost surely, 2^150421550 is an apocalyptic number.

150421550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150421550 is a deficient number, since it is larger than the sum of its proper divisors (140921410).

150421550 is a wasteful number, since it uses less digits than its factorization.

150421550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 150421550 is about 12264.6463463077. The cubic root of 150421550 is about 531.8265565150.

The spelling of 150421550 in words is "one hundred fifty million, four hundred twenty-one thousand, five hundred fifty".