153230405 has 4 divisors (see below), whose sum is σ = 183876492. Its totient is φ = 122584320.

The previous prime is 153230381. The next prime is 153230411. The reversal of 153230405 is 504032351.

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

It can be written as a sum of positive squares in 2 ways, for example, as 108701476 + 44528929 = 10426^2 + 6673^2 .

It is not a de Polignac number, because 153230405 - 2¹² = 153226309 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 15323036 + ... + 15323045.

It is an arithmetic number, because the mean of its divisors is an integer number (45969123).

Almost surely, 2^153230405 is an apocalyptic number.

It is an amenable number.

153230405 is a deficient number, since it is larger than the sum of its proper divisors (30646087).

153230405 is an equidigital number, since it uses as much as digits as its factorization.

153230405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30646086.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 153230405 is about 12378.6269432437. The cubic root of 153230405 is about 535.1164680780.

Adding to 153230405 its reverse (504032351), we get a palindrome (657262756).

The spelling of 153230405 in words is "one hundred fifty-three million, two hundred thirty thousand, four hundred five".