233142745 has 32 divisors (see below), whose sum is σ = 317416320. Its totient is φ = 162839040.

The previous prime is 233142731. The next prime is 233142751. The reversal of 233142745 is 547241332.

It is a happy number.

It is not a de Polignac number, because 233142745 - 2⁵ = 233142713 is a prime.

It is a super-2 number, since 2×233142745² = 108711079092270050, which contains 22 as substring.

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, 499002 + ... + 499468.

It is an arithmetic number, because the mean of its divisors is an integer number (9919260).

Almost surely, 2^233142745 is an apocalyptic number.

It is an amenable number.

233142745 is a deficient number, since it is larger than the sum of its proper divisors (84273575).

233142745 is a wasteful number, since it uses less digits than its factorization.

233142745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825.

The product of its digits is 20160, while the sum is 31.

The square root of 233142745 is about 15269.0125744922. The cubic root of 233142745 is about 615.4705852510.

The spelling of 233142745 in words is "two hundred thirty-three million, one hundred forty-two thousand, seven hundred forty-five".