234155145 has 32 divisors (see below), whose sum is σ = 450708480. Its totient is φ = 101407680.

The previous prime is 234155101. The next prime is 234155171. The reversal of 234155145 is 541551432.

It is not a de Polignac number, because 234155145 - 2¹⁰ = 234154121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56691 + ... + 60680.

It is an arithmetic number, because the mean of its divisors is an integer number (14084640).

Almost surely, 2^234155145 is an apocalyptic number.

It is an amenable number.

234155145 is a deficient number, since it is larger than the sum of its proper divisors (216553335).

234155145 is a wasteful number, since it uses less digits than its factorization.

234155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117405.

The product of its digits is 12000, while the sum is 30.

The square root of 234155145 is about 15302.1287734746. The cubic root of 234155145 is about 616.3601728285.

The spelling of 234155145 in words is "two hundred thirty-four million, one hundred fifty-five thousand, one hundred forty-five".