109457494 has 4 divisors (see below), whose sum is σ = 164186244. Its totient is φ = 54728746.

The previous prime is 109457479. The next prime is 109457503. The reversal of 109457494 is 494754901.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 109457494.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 27364372 + ... + 27364375.

It is an arithmetic number, because the mean of its divisors is an integer number (41046561).

Almost surely, 2^109457494 is an apocalyptic number.

109457494 is a deficient number, since it is larger than the sum of its proper divisors (54728750).

109457494 is an equidigital number, since it uses as much as digits as its factorization.

109457494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54728749.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 109457494 is about 10462.1935558467. The cubic root of 109457494 is about 478.3529981218.

The spelling of 109457494 in words is "one hundred nine million, four hundred fifty-seven thousand, four hundred ninety-four".