145854494 has 8 divisors (see below), whose sum is σ = 218882520. Its totient is φ = 72893656.

The previous prime is 145854491. The next prime is 145854503. The reversal of 145854494 is 494458541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145854491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10964 + ... + 20295.

It is an arithmetic number, because the mean of its divisors is an integer number (27360315).

Almost surely, 2^145854494 is an apocalyptic number.

145854494 is a deficient number, since it is larger than the sum of its proper divisors (73028026).

145854494 is a wasteful number, since it uses less digits than its factorization.

145854494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33594.

The product of its digits is 460800, while the sum is 44.

The square root of 145854494 is about 12077.0233915481. The cubic root of 145854494 is about 526.3887573125.

The spelling of 145854494 in words is "one hundred forty-five million, eight hundred fifty-four thousand, four hundred ninety-four".