150320540 has 24 divisors (see below), whose sum is σ = 316191120. Its totient is φ = 60029568.

The previous prime is 150320537. The next prime is 150320549. The reversal of 150320540 is 45023051.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150320549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7016 + ... + 18704.

It is an arithmetic number, because the mean of its divisors is an integer number (13174630).

Almost surely, 2^150320540 is an apocalyptic number.

150320540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150320540 is an abundant number, since it is smaller than the sum of its proper divisors (165870580).

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

150320540 is a wasteful number, since it uses less digits than its factorization.

150320540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341 (or 12339 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 150320540 is about 12260.5277211056. The cubic root of 150320540 is about 531.7074870743.

Adding to 150320540 its reverse (45023051), we get a palindrome (195343591).

The spelling of 150320540 in words is "one hundred fifty million, three hundred twenty thousand, five hundred forty".