305352500145 has 32 divisors (see below), whose sum is σ = 609118755840. Its totient is φ = 126899739840.

The previous prime is 305352500129. The next prime is 305352500171. The reversal of 305352500145 is 541005253503.

It is a happy number.

It is not a de Polignac number, because 305352500145 - 2⁴ = 305352500129 is a prime.

It is a super-3 number, since 3×305352500145³ (a number of 35 digits) contains 333 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132186075 + ... + 132188384.

It is an arithmetic number, because the mean of its divisors is an integer number (19034961120).

Almost surely, 2^305352500145 is an apocalyptic number.

305352500145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

305352500145 is a deficient number, since it is larger than the sum of its proper divisors (303766255695).

305352500145 is a wasteful number, since it uses less digits than its factorization.

305352500145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264374485.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 305352500145 its reverse (541005253503), we get a palindrome (846357753648).

The spelling of 305352500145 in words is "three hundred five billion, three hundred fifty-two million, five hundred thousand, one hundred forty-five".