147913812 has 18 divisors (see below), whose sum is σ = 373893338. Its totient is φ = 49304592.

The previous prime is 147913807. The next prime is 147913813. The reversal of 147913812 is 218319741.

It is a happy number.

147913812 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144865296 + 3048516 = 12036^2 + 1746^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 4108717 = 147913812 / (1 + 4 + 7 + 9 + 1 + 3 + 8 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147913813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2054323 + ... + 2054394.

Almost surely, 2^147913812 is an apocalyptic number.

147913812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

147913812 is an abundant number, since it is smaller than the sum of its proper divisors (225979526).

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

147913812 is a wasteful number, since it uses less digits than its factorization.

147913812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4108727 (or 4108722 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 147913812 is about 12161.9822397502. The cubic root of 147913812 is about 528.8545476752.

The spelling of 147913812 in words is "one hundred forty-seven million, nine hundred thirteen thousand, eight hundred twelve".