428114155 has 8 divisors (see below), whose sum is σ = 587128032. Its totient is φ = 293563968.

The previous prime is 428114131. The next prime is 428114191. The reversal of 428114155 is 551411824.

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

It is a cyclic number.

It is not a de Polignac number, because 428114155 - 2²³ = 419725547 is a prime.

It is a super-2 number, since 2×428114155² = 366563459422728050, which contains 22 as substring.

It is a Duffinian number.

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, 6115882 + ... + 6115951.

It is an arithmetic number, because the mean of its divisors is an integer number (73391004).

Almost surely, 2^428114155 is an apocalyptic number.

428114155 is a deficient number, since it is larger than the sum of its proper divisors (159013877).

428114155 is a wasteful number, since it uses less digits than its factorization.

428114155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12231845.

The product of its digits is 6400, while the sum is 31.

The square root of 428114155 is about 20690.9196267348. The cubic root of 428114155 is about 753.6791988516.

Adding to 428114155 its reverse (551411824), we get a palindrome (979525979).

The spelling of 428114155 in words is "four hundred twenty-eight million, one hundred fourteen thousand, one hundred fifty-five".