233402157 has 6 divisors (see below), whose sum is σ = 337136462. Its totient is φ = 155601432.

The previous prime is 233402119. The next prime is 233402159. The reversal of 233402157 is 751204332.

It can be written as a sum of positive squares in only one way, i.e., 185667876 + 47734281 = 13626^2 + 6909^2 .

It is not a de Polignac number, because 233402157 - 2¹¹ = 233400109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 233402157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233402159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12966778 + ... + 12966795.

Almost surely, 2^233402157 is an apocalyptic number.

It is an amenable number.

233402157 is a deficient number, since it is larger than the sum of its proper divisors (103734305).

233402157 is a wasteful number, since it uses less digits than its factorization.

233402157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25933579 (or 25933576 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 233402157 is about 15277.5049337253. The cubic root of 233402157 is about 615.6987734586.

Adding to 233402157 its reverse (751204332), we get a palindrome (984606489).

The spelling of 233402157 in words is "two hundred thirty-three million, four hundred two thousand, one hundred fifty-seven".