145459294 has 4 divisors (see below), whose sum is σ = 218188944. Its totient is φ = 72729646.

The previous prime is 145459283. The next prime is 145459343. The reversal of 145459294 is 492954541.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145459294.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36364822 + ... + 36364825.

It is an arithmetic number, because the mean of its divisors is an integer number (54547236).

Almost surely, 2^145459294 is an apocalyptic number.

145459294 is a deficient number, since it is larger than the sum of its proper divisors (72729650).

145459294 is an equidigital number, since it uses as much as digits as its factorization.

145459294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72729649.

The product of its digits is 259200, while the sum is 43.

The square root of 145459294 is about 12060.6506457985. The cubic root of 145459294 is about 525.9129017693.

The spelling of 145459294 in words is "one hundred forty-five million, four hundred fifty-nine thousand, two hundred ninety-four".