145775234 has 12 divisors (see below), whose sum is σ = 240348822. Its totient is φ = 66261360.

The previous prime is 145775209. The next prime is 145775251. The reversal of 145775234 is 432577541.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 33097009 = 10615^2 + 5753^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 300947 + ... + 301430.

Almost surely, 2^145775234 is an apocalyptic number.

145775234 is a deficient number, since it is larger than the sum of its proper divisors (94573588).

145775234 is a wasteful number, since it uses less digits than its factorization.

145775234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602401 (or 602390 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 145775234 is about 12073.7415079171. The cubic root of 145775234 is about 526.2933902759.

The spelling of 145775234 in words is "one hundred forty-five million, seven hundred seventy-five thousand, two hundred thirty-four".