152130240 has 168 divisors, whose sum is σ = 529455888. Its totient is φ = 40089600.

The previous prime is 152130239. The next prime is 152130247. The reversal of 152130240 is 42031251.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (152130247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290619 + ... + 291141.

Almost surely, 2^152130240 is an apocalyptic number.

152130240 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 152130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264727944).

152130240 is an abundant number, since it is smaller than the sum of its proper divisors (377325648).

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

152130240 is a wasteful number, since it uses less digits than its factorization.

152130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 152130240 is about 12334.1088044496. The cubic root of 152130240 is about 533.8327128224.

Adding to 152130240 its reverse (42031251), we get a palindrome (194161491).

The spelling of 152130240 in words is "one hundred fifty-two million, one hundred thirty thousand, two hundred forty".