153042346321 has 4 divisors (see below), whose sum is σ = 153094175332. Its totient is φ = 152990517312.

The previous prime is 153042346313. The next prime is 153042346333. The reversal of 153042346321 is 123643240351.

It is a happy number.

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 131149001025 + 21893345296 = 362145^2 + 147964^2 .

It is a cyclic number.

It is not a de Polignac number, because 153042346321 - 2³ = 153042346313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153042347321) 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, 25910076 + ... + 25915981.

It is an arithmetic number, because the mean of its divisors is an integer number (38273543833).

Almost surely, 2^153042346321 is an apocalyptic number.

It is an amenable number.

153042346321 is a deficient number, since it is larger than the sum of its proper divisors (51829011).

153042346321 is an equidigital number, since it uses as much as digits as its factorization.

153042346321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51829010.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 153042346321 its reverse (123643240351), we get a palindrome (276685586672).

The spelling of 153042346321 in words is "one hundred fifty-three billion, forty-two million, three hundred forty-six thousand, three hundred twenty-one".