145158232 has 8 divisors (see below), whose sum is σ = 272171700. Its totient is φ = 72579112.

The previous prime is 145158227. The next prime is 145158241. The reversal of 145158232 is 232851541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 145158194 and 145158203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072382 + ... + 9072397.

Almost surely, 2^145158232 is an apocalyptic number.

It is an amenable number.

145158232 is a deficient number, since it is larger than the sum of its proper divisors (127013468).

145158232 is a wasteful number, since it uses less digits than its factorization.

145158232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18144785 (or 18144781 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 145158232 is about 12048.1630135054. The cubic root of 145158232 is about 525.5498179430.

The spelling of 145158232 in words is "one hundred forty-five million, one hundred fifty-eight thousand, two hundred thirty-two".