147189240 has 288 divisors, whose sum is σ = 547747200. Its totient is φ = 34214400.

The previous prime is 147189223. The next prime is 147189283. The reversal of 147189240 is 42981741.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 147189195 and 147189204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1350306 + ... + 1350414.

It is an arithmetic number, because the mean of its divisors is an integer number (1901900).

Almost surely, 2^147189240 is an apocalyptic number.

147189240 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 147189240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273873600).

147189240 is an abundant number, since it is smaller than the sum of its proper divisors (400557960).

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

147189240 is a wasteful number, since it uses less digits than its factorization.

147189240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 147189240 is about 12132.1572690103. The cubic root of 147189240 is about 527.9895831278.

The spelling of 147189240 in words is "one hundred forty-seven million, one hundred eighty-nine thousand, two hundred forty".