145238092 has 6 divisors (see below), whose sum is σ = 254166668. Its totient is φ = 72619044.

The previous prime is 145238081. The next prime is 145238129. The reversal of 145238092 is 290832541.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18154758 + ... + 18154765.

Almost surely, 2^145238092 is an apocalyptic number.

It is an amenable number.

145238092 is a deficient number, since it is larger than the sum of its proper divisors (108928576).

145238092 is a wasteful number, since it uses less digits than its factorization.

145238092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36309527 (or 36309525 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 145238092 is about 12051.4767559831. The cubic root of 145238092 is about 525.6461787980.

The spelling of 145238092 in words is "one hundred forty-five million, two hundred thirty-eight thousand, ninety-two".