109571454 has 80 divisors (see below), whose sum is σ = 257962320. Its totient is φ = 34715520.

The previous prime is 109571411. The next prime is 109571459. The reversal of 109571454 is 454175901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109571459) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 389794 + ... + 390074.

It is an arithmetic number, because the mean of its divisors is an integer number (3224529).

Almost surely, 2^109571454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109571454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128981160).

109571454 is an abundant number, since it is smaller than the sum of its proper divisors (148390866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109571454 is a wasteful number, since it uses less digits than its factorization.

109571454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 109571454 is about 10467.6384156122. The cubic root of 109571454 is about 478.5189505176.

The spelling of 109571454 in words is "one hundred nine million, five hundred seventy-one thousand, four hundred fifty-four".