147705156 has 36 divisors (see below), whose sum is σ = 379492204. Its totient is φ = 48427200.

The previous prime is 147705139. The next prime is 147705157. The reversal of 147705156 is 651507741.

It can be written as a sum of positive squares in 2 ways, for example, as 48024900 + 99680256 = 6930^2 + 9984^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 147705156.

It is not an unprimeable number, because it can be changed into a prime (147705157) 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 11 ways as a sum of consecutive naturals, for example, 31435 + ... + 35826.

Almost surely, 2^147705156 is an apocalyptic number.

It is an amenable number.

147705156 is an abundant number, since it is smaller than the sum of its proper divisors (231787048).

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

147705156 is a wasteful number, since it uses less digits than its factorization.

147705156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67332 (or 67327 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 36.

The square root of 147705156 is about 12153.4010054799. The cubic root of 147705156 is about 528.6057527816.

The spelling of 147705156 in words is "one hundred forty-seven million, seven hundred five thousand, one hundred fifty-six".