153030485 has 4 divisors (see below), whose sum is σ = 183636588. Its totient is φ = 122424384.

The previous prime is 153030473. The next prime is 153030487. The reversal of 153030485 is 584030351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 584030351 = 12241 ⋅47711.

It can be written as a sum of positive squares in 2 ways, for example, as 85692049 + 67338436 = 9257^2 + 8206^2 .

It is a cyclic number.

It is not a de Polignac number, because 153030485 - 2⁴ = 153030469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153030487) 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, 15303044 + ... + 15303053.

It is an arithmetic number, because the mean of its divisors is an integer number (45909147).

Almost surely, 2^153030485 is an apocalyptic number.

It is an amenable number.

153030485 is a deficient number, since it is larger than the sum of its proper divisors (30606103).

153030485 is an equidigital number, since it uses as much as digits as its factorization.

153030485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30606102.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 153030485 is about 12370.5490985647. The cubic root of 153030485 is about 534.8836443032.

The spelling of 153030485 in words is "one hundred fifty-three million, thirty thousand, four hundred eighty-five".