147275808 has 48 divisors (see below), whose sum is σ = 403413696. Its totient is φ = 46956800.

The previous prime is 147275771. The next prime is 147275809. The reversal of 147275808 is 808572741.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 147275808.

It is not an unprimeable number, because it can be changed into a prime (147275809) 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, 31143 + ... + 35558.

It is an arithmetic number, because the mean of its divisors is an integer number (8404452).

Almost surely, 2^147275808 is an apocalyptic number.

It is an amenable number.

147275808 is an abundant number, since it is smaller than the sum of its proper divisors (256137888).

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

147275808 is a wasteful number, since it uses less digits than its factorization.

147275808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66737 (or 66729 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 147275808 is about 12135.7244530353. The cubic root of 147275808 is about 528.0930735832.

The spelling of 147275808 in words is "one hundred forty-seven million, two hundred seventy-five thousand, eight hundred eight".