150225140 has 48 divisors (see below), whose sum is σ = 340698960. Its totient is φ = 55311360.

The previous prime is 150225109. The next prime is 150225149. The reversal of 150225140 is 41522051.

It can be written as a sum of positive squares in 8 ways, for example, as 63138916 + 87086224 = 7946^2 + 9332^2 .

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 (150225149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134906 + ... + 136014.

It is an arithmetic number, because the mean of its divisors is an integer number (7097895).

Almost surely, 2^150225140 is an apocalyptic number.

150225140 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 150225140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170349480).

150225140 is an abundant number, since it is smaller than the sum of its proper divisors (190473820).

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

150225140 is a wasteful number, since it uses less digits than its factorization.

150225140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652 (or 1650 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 150225140 is about 12256.6365696303. The cubic root of 150225140 is about 531.5949816492.

Adding to 150225140 its reverse (41522051), we get a palindrome (191747191).

The spelling of 150225140 in words is "one hundred fifty million, two hundred twenty-five thousand, one hundred forty".