109143254 has 8 divisors (see below), whose sum is σ = 178598088. Its totient is φ = 49610560.

The previous prime is 109143241. The next prime is 109143289. The reversal of 109143254 is 452341901.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2480507 + ... + 2480550.

It is an arithmetic number, because the mean of its divisors is an integer number (22324761).

Almost surely, 2^109143254 is an apocalyptic number.

109143254 is a deficient number, since it is larger than the sum of its proper divisors (69454834).

109143254 is a wasteful number, since it uses less digits than its factorization.

109143254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4961070.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 109143254 is about 10447.1648785687. The cubic root of 109143254 is about 477.8947936969.

The spelling of 109143254 in words is "one hundred nine million, one hundred forty-three thousand, two hundred fifty-four".