147378312 has 32 divisors (see below), whose sum is σ = 409384800. Its totient is φ = 49126032.

The previous prime is 147378311. The next prime is 147378347. The reversal of 147378312 is 213873741.

It is a super-3 number, since 3×147378312³ (a number of 25 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (147378311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340938 + ... + 341369.

It is an arithmetic number, because the mean of its divisors is an integer number (12793275).

Almost surely, 2^147378312 is an apocalyptic number.

147378312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147378312 is an abundant number, since it is smaller than the sum of its proper divisors (262006488).

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

147378312 is a wasteful number, since it uses less digits than its factorization.

147378312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682322 (or 682312 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 147378312 is about 12139.9469521082. The cubic root of 147378312 is about 528.2155628082.

The spelling of 147378312 in words is "one hundred forty-seven million, three hundred seventy-eight thousand, three hundred twelve".