147215040 has 224 divisors, whose sum is σ = 562782720. Its totient is φ = 31850496.

The previous prime is 147215027. The next prime is 147215041. The reversal of 147215040 is 40512741.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 147215040.

It is not an unprimeable number, because it can be changed into a prime (147215041) 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, 127104 + ... + 128256.

Almost surely, 2^147215040 is an apocalyptic number.

147215040 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 147215040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281391360).

147215040 is an abundant number, since it is smaller than the sum of its proper divisors (415567680).

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

147215040 is a wasteful number, since it uses less digits than its factorization.

147215040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1189 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 147215040 is about 12133.2205122960. The cubic root of 147215040 is about 528.0204307980.

Adding to 147215040 its reverse (40512741), we get a palindrome (187727781).

The spelling of 147215040 in words is "one hundred forty-seven million, two hundred fifteen thousand, forty".