72141454 has 16 divisors (see below), whose sum is σ = 134914176. Its totient is φ = 28107000.

The previous prime is 72141451. The next prime is 72141469. The reversal of 72141454 is 45414127.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72141451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234072 + ... + 234379.

It is an arithmetic number, because the mean of its divisors is an integer number (8432136).

Almost surely, 2^72141454 is an apocalyptic number.

72141454 is a deficient number, since it is larger than the sum of its proper divisors (62772722).

72141454 is a wasteful number, since it uses less digits than its factorization.

72141454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468471.

The product of its digits is 4480, while the sum is 28.

The square root of 72141454 is about 8493.6125411982. The cubic root of 72141454 is about 416.2890272936.

It can be divided in two parts, 7214 and 1454, that added together give a palindrome (8668).

The spelling of 72141454 in words is "seventy-two million, one hundred forty-one thousand, four hundred fifty-four".