234621145 has 16 divisors (see below), whose sum is σ = 307903680. Its totient is φ = 170209600.

The previous prime is 234621143. The next prime is 234621151. The reversal of 234621145 is 541126432.

It is not a de Polignac number, because 234621145 - 2¹ = 234621143 is a prime.

It is a super-2 number, since 2×234621145² = 110094163362222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (234621143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17955 + ... + 28135.

It is an arithmetic number, because the mean of its divisors is an integer number (19243980).

Almost surely, 2^234621145 is an apocalyptic number.

It is an amenable number.

234621145 is a deficient number, since it is larger than the sum of its proper divisors (73282535).

234621145 is a wasteful number, since it uses less digits than its factorization.

234621145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10616.

The product of its digits is 5760, while the sum is 28.

The square root of 234621145 is about 15317.3478448457. The cubic root of 234621145 is about 616.7687815638.

Adding to 234621145 its reverse (541126432), we get a palindrome (775747577).

The spelling of 234621145 in words is "two hundred thirty-four million, six hundred twenty-one thousand, one hundred forty-five".