147140805 has 32 divisors (see below), whose sum is σ = 270102528. Its totient is φ = 67003200.

The previous prime is 147140801. The next prime is 147140827. The reversal of 147140805 is 508041741.

It is not a de Polignac number, because 147140805 - 2² = 147140801 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147140801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25870 + ... + 31040.

It is an arithmetic number, because the mean of its divisors is an integer number (8440704).

Almost surely, 2^147140805 is an apocalyptic number.

147140805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

147140805 is a deficient number, since it is larger than the sum of its proper divisors (122961723).

147140805 is a wasteful number, since it uses less digits than its factorization.

147140805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 147140805 is about 12130.1609634827. The cubic root of 147140805 is about 527.9316622702.

The spelling of 147140805 in words is "one hundred forty-seven million, one hundred forty thousand, eight hundred five".