147494 has 8 divisors (see below), whose sum is σ = 228960. Its totient is φ = 71176.

The previous prime is 147487. The next prime is 147503. The reversal of 147494 is 494741.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1214 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (28620).

2¹⁴⁷⁴⁹⁴ is an apocalyptic number.

147494 is a deficient number, since it is larger than the sum of its proper divisors (81466).

147494 is a wasteful number, since it uses less digits than its factorization.

147494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574.

The product of its digits is 4032, while the sum is 29.

The square root of 147494 is about 384.0494759793. The cubic root of 147494 is about 52.8353738317.

It can be divided in two parts, 14749 and 4, that multiplied together give a triangular number (58996 = T₃₄₃).

The spelling of 147494 in words is "one hundred forty-seven thousand, four hundred ninety-four".