229145458 has 8 divisors (see below), whose sum is σ = 358662528. Its totient is φ = 109591284.

The previous prime is 229145437. The next prime is 229145479. The reversal of 229145458 is 854541922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (229145437) and next prime (229145479).

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

It is a self number, because there is not a number n which added to its sum of digits gives 229145458.

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, 2490666 + ... + 2490757.

It is an arithmetic number, because the mean of its divisors is an integer number (44832816).

Almost surely, 2^229145458 is an apocalyptic number.

229145458 is a deficient number, since it is larger than the sum of its proper divisors (129517070).

229145458 is a wasteful number, since it uses less digits than its factorization.

229145458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981448.

The product of its digits is 115200, while the sum is 40.

The square root of 229145458 is about 15137.5512550742. The cubic root of 229145458 is about 611.9328265088.

The spelling of 229145458 in words is "two hundred twenty-nine million, one hundred forty-five thousand, four hundred fifty-eight".