234145978 has 16 divisors (see below), whose sum is σ = 383556096. Its totient is φ = 106316640.

The previous prime is 234145931. The next prime is 234146021. The reversal of 234145978 is 879541432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17575 + ... + 27877.

It is an arithmetic number, because the mean of its divisors is an integer number (23972256).

Almost surely, 2^234145978 is an apocalyptic number.

234145978 is a deficient number, since it is larger than the sum of its proper divisors (149410118).

234145978 is a wasteful number, since it uses less digits than its factorization.

234145978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11349.

The product of its digits is 241920, while the sum is 43.

The square root of 234145978 is about 15301.8292370553. The cubic root of 234145978 is about 616.3521293759.

It can be divided in two parts, 23414 and 5978, that added together give a palindrome (29392).

The spelling of 234145978 in words is "two hundred thirty-four million, one hundred forty-five thousand, nine hundred seventy-eight".