305352420153 has 32 divisors (see below), whose sum is σ = 447322936320. Its totient is φ = 183741877440.

The previous prime is 305352420137. The next prime is 305352420161. The reversal of 305352420153 is 351024253503.

It is not a de Polignac number, because 305352420153 - 2⁴ = 305352420137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (305352420193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5420908 + ... + 5476946.

It is an arithmetic number, because the mean of its divisors is an integer number (13978841760).

Almost surely, 2^305352420153 is an apocalyptic number.

305352420153 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

305352420153 is a deficient number, since it is larger than the sum of its proper divisors (141970516167).

305352420153 is a wasteful number, since it uses less digits than its factorization.

305352420153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57229.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 305352420153 its reverse (351024253503), we get a palindrome (656376673656).

The spelling of 305352420153 in words is "three hundred five billion, three hundred fifty-two million, four hundred twenty thousand, one hundred fifty-three".