147499394 has 32 divisors (see below), whose sum is σ = 275356800. Its totient is φ = 57818880.

The previous prime is 147499381. The next prime is 147499439. The reversal of 147499394 is 493994741.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1847 + ... + 17274.

It is an arithmetic number, because the mean of its divisors is an integer number (8604900).

Almost surely, 2^147499394 is an apocalyptic number.

147499394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

147499394 is a deficient number, since it is larger than the sum of its proper divisors (127857406).

147499394 is a wasteful number, since it uses less digits than its factorization.

147499394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19178.

The product of its digits is 979776, while the sum is 50.

The square root of 147499394 is about 12144.9328528403. The cubic root of 147499394 is about 528.3601790426.

The spelling of 147499394 in words is "one hundred forty-seven million, four hundred ninety-nine thousand, three hundred ninety-four".