150705540 has 72 divisors (see below), whose sum is σ = 467795328. Its totient is φ = 39251520.

The previous prime is 150705517. The next prime is 150705557. The reversal of 150705540 is 45507051.

150705540 is a `hidden beast` number, since 1 + 50 + 70 + 5 + 540 = 666.

150705540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1996 + ... + 17475.

Almost surely, 2^150705540 is an apocalyptic number.

150705540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150705540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233897664).

150705540 is an abundant number, since it is smaller than the sum of its proper divisors (317089788).

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

150705540 is a wasteful number, since it uses less digits than its factorization.

150705540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529 (or 19524 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 150705540 is about 12276.2184731293. The cubic root of 150705540 is about 532.1610353512.

The spelling of 150705540 in words is "one hundred fifty million, seven hundred five thousand, five hundred forty".