150505720 has 32 divisors (see below), whose sum is σ = 339124320. Its totient is φ = 60115840.

The previous prime is 150505699. The next prime is 150505741. The reversal of 150505720 is 27505051.

It is a happy number.

150505720 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (150505699) and next prime (150505741).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 30549 + ... + 35131.

It is an arithmetic number, because the mean of its divisors is an integer number (10597635).

Almost surely, 2^150505720 is an apocalyptic number.

150505720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150505720 is an abundant number, since it is smaller than the sum of its proper divisors (188618600).

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

150505720 is a wasteful number, since it uses less digits than its factorization.

150505720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415 (or 5411 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 150505720 is about 12268.0772739660. The cubic root of 150505720 is about 531.9257344464.

The spelling of 150505720 in words is "one hundred fifty million, five hundred five thousand, seven hundred twenty".