147755971 has 8 divisors (see below), whose sum is σ = 163594944. Its totient is φ = 132318120.

The previous prime is 147755963. The next prime is 147755977. The reversal of 147755971 is 179557741.

147755971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 147755971 - 2³ = 147755963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147755977) 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, 99505 + ... + 100978.

It is an arithmetic number, because the mean of its divisors is an integer number (20449368).

Almost surely, 2^147755971 is an apocalyptic number.

147755971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

147755971 is a deficient number, since it is larger than the sum of its proper divisors (15838973).

147755971 is a wasteful number, since it uses less digits than its factorization.

147755971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200561.

The product of its digits is 308700, while the sum is 46.

The square root of 147755971 is about 12155.4913927821. The cubic root of 147755971 is about 528.6663645714. Note that the first 3 decimals are identical.

The spelling of 147755971 in words is "one hundred forty-seven million, seven hundred fifty-five thousand, nine hundred seventy-one".