150205740 has 96 divisors (see below), whose sum is σ = 432069120. Its totient is φ = 38976000.

The previous prime is 150205739. The next prime is 150205747. The reversal of 150205740 is 47502051.

It is a self number, because there is not a number n which added to its sum of digits gives 150205740.

It is not an unprimeable number, because it can be changed into a prime (150205747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534400 + ... + 534680.

It is an arithmetic number, because the mean of its divisors is an integer number (4500720).

Almost surely, 2^150205740 is an apocalyptic number.

150205740 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 150205740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216034560).

150205740 is an abundant number, since it is smaller than the sum of its proper divisors (281863380).

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

150205740 is a wasteful number, since it uses less digits than its factorization.

150205740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 150205740 is about 12255.8451360973. The cubic root of 150205740 is about 531.5720973600.

Adding to 150205740 its reverse (47502051), we get a palindrome (197707791).

The spelling of 150205740 in words is "one hundred fifty million, two hundred five thousand, seven hundred forty".