147219240 has 64 divisors (see below), whose sum is σ = 504754560. Its totient is φ = 33649920.

The previous prime is 147219223. The next prime is 147219253. The reversal of 147219240 is 42912741.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 147219198 and 147219207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86791 + ... + 88470.

It is an arithmetic number, because the mean of its divisors is an integer number (7886790).

Almost surely, 2^147219240 is an apocalyptic number.

147219240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147219240 is an abundant number, since it is smaller than the sum of its proper divisors (357535320).

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

147219240 is a wasteful number, since it uses less digits than its factorization.

147219240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175282 (or 175278 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 147219240 is about 12133.3935895940. The cubic root of 147219240 is about 528.0254521707.

The spelling of 147219240 in words is "one hundred forty-seven million, two hundred nineteen thousand, two hundred forty".