144465402 has 8 divisors (see below), whose sum is σ = 288930816. Its totient is φ = 48155132.

The previous prime is 144465397. The next prime is 144465403. The reversal of 144465402 is 204564441.

It is a happy number.

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

144465402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 144465402.

It is not an unprimeable number, because it can be changed into a prime (144465403) 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, 12038778 + ... + 12038789.

It is an arithmetic number, because the mean of its divisors is an integer number (36116352).

Almost surely, 2^144465402 is an apocalyptic number.

144465402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

144465402 is a wasteful number, since it uses less digits than its factorization.

144465402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24077572.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 144465402 is about 12019.3761069367. The cubic root of 144465402 is about 524.7123467288.

The spelling of 144465402 in words is "one hundred forty-four million, four hundred sixty-five thousand, four hundred two".