153130433 has 4 divisors (see below), whose sum is σ = 153155460. Its totient is φ = 153105408.

The previous prime is 153130423. The next prime is 153130477. The reversal of 153130433 is 334031351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 334031351 = 17 ⋅19648903.

It can be written as a sum of positive squares in 2 ways, for example, as 43467649 + 109662784 = 6593^2 + 10472^2 .

It is a cyclic number.

It is not a de Polignac number, because 153130433 - 2¹⁰ = 153129409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 153130399 and 153130408.

It is not an unprimeable number, because it can be changed into a prime (153130403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473 + ... + 17841.

It is an arithmetic number, because the mean of its divisors is an integer number (38288865).

Almost surely, 2^153130433 is an apocalyptic number.

It is an amenable number.

153130433 is a deficient number, since it is larger than the sum of its proper divisors (25027).

153130433 is a wasteful number, since it uses less digits than its factorization.

153130433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25026.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 153130433 is about 12374.5881951684. The cubic root of 153130433 is about 535.0000675459. Note that the first 4 decimals are identical.

Adding to 153130433 its reverse (334031351), we get a palindrome (487161784).

The spelling of 153130433 in words is "one hundred fifty-three million, one hundred thirty thousand, four hundred thirty-three".