144454002 has 64 divisors (see below), whose sum is σ = 363515904. Its totient is φ = 37175040.

The previous prime is 144453989. The next prime is 144454003. The reversal of 144454002 is 200454441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144454003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50823 + ... + 53589.

It is an arithmetic number, because the mean of its divisors is an integer number (5679936).

Almost surely, 2^144454002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144454002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181757952).

144454002 is an abundant number, since it is smaller than the sum of its proper divisors (219061902).

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

144454002 is a wasteful number, since it uses less digits than its factorization.

144454002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2903.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 144454002 is about 12018.9018633151. The cubic root of 144454002 is about 524.6985443973.

The spelling of 144454002 in words is "one hundred forty-four million, four hundred fifty-four thousand, two".