301530145 has 16 divisors (see below), whose sum is σ = 422327808. Its totient is φ = 202363200.

The previous prime is 301530121. The next prime is 301530191. The reversal of 301530145 is 541035103.

It is a happy number.

It is not a de Polignac number, because 301530145 - 2⁷ = 301530017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90006 + ... + 93295.

It is an arithmetic number, because the mean of its divisors is an integer number (26395488).

Almost surely, 2^301530145 is an apocalyptic number.

301530145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

301530145 is a deficient number, since it is larger than the sum of its proper divisors (120797663).

301530145 is a wasteful number, since it uses less digits than its factorization.

301530145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183360.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 301530145 is about 17364.6233762786. The cubic root of 301530145 is about 670.5691643870.

Adding to 301530145 its reverse (541035103), we get a palindrome (842565248).

The spelling of 301530145 in words is "three hundred one million, five hundred thirty thousand, one hundred forty-five".