233155545 has 16 divisors (see below), whose sum is σ = 426341760. Its totient is φ = 106585344.

The previous prime is 233155529. The next prime is 233155553. The reversal of 233155545 is 545551332.

It is a happy number.

It is not a de Polignac number, because 233155545 - 2⁴ = 233155529 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, 1110160 + ... + 1110369.

It is an arithmetic number, because the mean of its divisors is an integer number (26646360).

Almost surely, 2^233155545 is an apocalyptic number.

It is an amenable number.

233155545 is a deficient number, since it is larger than the sum of its proper divisors (193186215).

233155545 is a wasteful number, since it uses less digits than its factorization.

233155545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220544.

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

The square root of 233155545 is about 15269.4317183057. The cubic root of 233155545 is about 615.4818485643.

The spelling of 233155545 in words is "two hundred thirty-three million, one hundred fifty-five thousand, five hundred forty-five".