428145154 has 32 divisors (see below), whose sum is σ = 689472000. Its totient is φ = 198952320.

The previous prime is 428145127. The next prime is 428145163. The reversal of 428145154 is 451541824.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407622 + ... + 408670.

It is an arithmetic number, because the mean of its divisors is an integer number (21546000).

Almost surely, 2^428145154 is an apocalyptic number.

428145154 is a deficient number, since it is larger than the sum of its proper divisors (261326846).

428145154 is a wasteful number, since it uses less digits than its factorization.

428145154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338.

The product of its digits is 25600, while the sum is 34.

The square root of 428145154 is about 20691.6687098938. The cubic root of 428145154 is about 753.6973892784.

Adding to 428145154 its reverse (451541824), we get a palindrome (879686978).

The spelling of 428145154 in words is "four hundred twenty-eight million, one hundred forty-five thousand, one hundred fifty-four".