150451990 has 64 divisors (see below), whose sum is σ = 309496320. Its totient is φ = 52254720.

The previous prime is 150451979. The next prime is 150451991. The reversal of 150451990 is 99154051.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150451991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 148606 + ... + 149614.

It is an arithmetic number, because the mean of its divisors is an integer number (4835880).

Almost surely, 2^150451990 is an apocalyptic number.

150451990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

150451990 is an abundant number, since it is smaller than the sum of its proper divisors (159044330).

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

150451990 is a wasteful number, since it uses less digits than its factorization.

150451990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 150451990 is about 12265.8872487888. The cubic root of 150451990 is about 531.8624283886.

The spelling of 150451990 in words is "one hundred fifty million, four hundred fifty-one thousand, nine hundred ninety".