145112294 has 4 divisors (see below), whose sum is σ = 217668444. Its totient is φ = 72556146.

The previous prime is 145112287. The next prime is 145112309. The reversal of 145112294 is 492211541.

145112294 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 492211541 = 443 ⋅1111087.

It is a Curzon number.

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, 36278072 + ... + 36278075.

It is an arithmetic number, because the mean of its divisors is an integer number (54417111).

Almost surely, 2^145112294 is an apocalyptic number.

145112294 is a deficient number, since it is larger than the sum of its proper divisors (72556150).

145112294 is an equidigital number, since it uses as much as digits as its factorization.

145112294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72556149.

The product of its digits is 2880, while the sum is 29.

The square root of 145112294 is about 12046.2564309415. The cubic root of 145112294 is about 525.4943721157.

The spelling of 145112294 in words is "one hundred forty-five million, one hundred twelve thousand, two hundred ninety-four".