147077491 has 8 divisors (see below), whose sum is σ = 163476144. Its totient is φ = 131183520.

The previous prime is 147077477. The next prime is 147077509. The reversal of 147077491 is 194770741.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 147077491 - 2⁷ = 147077363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147077471) 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 7 ways as a sum of consecutive naturals, for example, 125556 + ... + 126721.

It is an arithmetic number, because the mean of its divisors is an integer number (20434518).

Almost surely, 2^147077491 is an apocalyptic number.

147077491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

147077491 is a deficient number, since it is larger than the sum of its proper divisors (16398653).

147077491 is a wasteful number, since it uses less digits than its factorization.

147077491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252341.

The product of its (nonzero) digits is 49392, while the sum is 40.

The square root of 147077491 is about 12127.5509069226. The cubic root of 147077491 is about 527.8559292318.

It can be divided in two parts, 1470 and 77491, that added together give a square (78961 = 281²).

The spelling of 147077491 in words is "one hundred forty-seven million, seventy-seven thousand, four hundred ninety-one".