145944234 has 16 divisors (see below), whose sum is σ = 324320640. Its totient is φ = 48648060.

The previous prime is 145944221. The next prime is 145944241. The reversal of 145944234 is 432449541.

145944234 is a `hidden beast` number, since 145 + 94 + 423 + 4 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351282 + ... + 1351389.

It is an arithmetic number, because the mean of its divisors is an integer number (20270040).

Almost surely, 2^145944234 is an apocalyptic number.

145944234 is an abundant number, since it is smaller than the sum of its proper divisors (178376406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145944234 is a wasteful number, since it uses less digits than its factorization.

145944234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702682 (or 2702676 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 145944234 is about 12080.7381396999. The cubic root of 145944234 is about 526.4966923762.

The spelling of 145944234 in words is "one hundred forty-five million, nine hundred forty-four thousand, two hundred thirty-four".