144402270 has 32 divisors (see below), whose sum is σ = 347185440. Its totient is φ = 38438400.

The previous prime is 144402241. The next prime is 144402277. The reversal of 144402270 is 72204441.

It is a self number, because there is not a number n which added to its sum of digits gives 144402270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144402277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14026 + ... + 22034.

It is an arithmetic number, because the mean of its divisors is an integer number (10849545).

Almost surely, 2^144402270 is an apocalyptic number.

144402270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144402270 is an abundant number, since it is smaller than the sum of its proper divisors (202783170).

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

144402270 is a wasteful number, since it uses less digits than its factorization.

144402270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 144402270 is about 12016.7495605093. The cubic root of 144402270 is about 524.6359017438.

The spelling of 144402270 in words is "one hundred forty-four million, four hundred two thousand, two hundred seventy".