144474394 has 8 divisors (see below), whose sum is σ = 217158048. Its totient is φ = 72088380.

The previous prime is 144474329. The next prime is 144474397. The reversal of 144474394 is 493474441.

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

It is not an unprimeable number, because it can be changed into a prime (144474397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73192 + ... + 75139.

It is an arithmetic number, because the mean of its divisors is an integer number (27144756).

Almost surely, 2^144474394 is an apocalyptic number.

144474394 is a deficient number, since it is larger than the sum of its proper divisors (72683654).

144474394 is a wasteful number, since it uses less digits than its factorization.

144474394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148820.

The product of its digits is 193536, while the sum is 40.

The square root of 144474394 is about 12019.7501637929. The cubic root of 144474394 is about 524.7232331082.

The spelling of 144474394 in words is "one hundred forty-four million, four hundred seventy-four thousand, three hundred ninety-four".