153020342 has 4 divisors (see below), whose sum is σ = 229530516. Its totient is φ = 76510170.

The previous prime is 153020321. The next prime is 153020363. The reversal of 153020342 is 243020351.

It is a happy number.

153020342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an interprime number because it is at equal distance from previous prime (153020321) and next prime (153020363).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38255084 + ... + 38255087.

It is an arithmetic number, because the mean of its divisors is an integer number (57382629).

Almost surely, 2^153020342 is an apocalyptic number.

153020342 is a deficient number, since it is larger than the sum of its proper divisors (76510174).

153020342 is an equidigital number, since it uses as much as digits as its factorization.

153020342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76510173.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 153020342 is about 12370.1391261376. The cubic root of 153020342 is about 534.8718265170.

Adding to 153020342 its reverse (243020351), we get a palindrome (396040693).

Subtracting 153020342 from its reverse (243020351), we obtain a palindrome (90000009).

The spelling of 153020342 in words is "one hundred fifty-three million, twenty thousand, three hundred forty-two".