144099402 has 8 divisors (see below), whose sum is σ = 288198816. Its totient is φ = 48033132.

The previous prime is 144099391. The next prime is 144099409. The reversal of 144099402 is 204990441.

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

144099402 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (144099409) 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, 12008278 + ... + 12008289.

It is an arithmetic number, because the mean of its divisors is an integer number (36024852).

Almost surely, 2^144099402 is an apocalyptic number.

144099402 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.

144099402 is a wasteful number, since it uses less digits than its factorization.

144099402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24016572.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 144099402 is about 12004.1410354927. The cubic root of 144099402 is about 524.2688561645.

The spelling of 144099402 in words is "one hundred forty-four million, ninety-nine thousand, four hundred two".