2145232 has 10 divisors (see below), whose sum is σ = 4156418. Its totient is φ = 1072608.

The previous prime is 2145197. The next prime is 2145239. The reversal of 2145232 is 2325412.

It can be written as a sum of positive squares in only one way, i.e., 2143296 + 1936 = 1464^2 + 44^2 .

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67023 + ... + 67054.

2^2145232 is an apocalyptic number.

It is an amenable number.

2145232 is a deficient number, since it is larger than the sum of its proper divisors (2011186).

2145232 is a wasteful number, since it uses less digits than its factorization.

2145232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134085 (or 134079 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 2145232 is about 1464.6610529402. The cubic root of 2145232 is about 128.9708084499.

The spelling of 2145232 in words is "two million, one hundred forty-five thousand, two hundred thirty-two".