153828394 has 4 divisors (see below), whose sum is σ = 230742594. Its totient is φ = 76914196.

The previous prime is 153828391. The next prime is 153828403. The reversal of 153828394 is 493828351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153437769 + 390625 = 12387^2 + 625^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 153828394.

It is not an unprimeable number, because it can be changed into a prime (153828391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38457097 + ... + 38457100.

Almost surely, 2^153828394 is an apocalyptic number.

153828394 is a deficient number, since it is larger than the sum of its proper divisors (76914200).

153828394 is an equidigital number, since it uses as much as digits as its factorization.

153828394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76914199.

The product of its digits is 207360, while the sum is 43.

The square root of 153828394 is about 12402.7575159720. The cubic root of 153828394 is about 535.8116703958.

Subtracting from 153828394 its sum of digits (43), we obtain a palindrome (153828351).

The spelling of 153828394 in words is "one hundred fifty-three million, eight hundred twenty-eight thousand, three hundred ninety-four".