144424370 has 16 divisors (see below), whose sum is σ = 260304408. Its totient is φ = 57694080.

The previous prime is 144424369. The next prime is 144424391. The reversal of 144424370 is 73424441.

It can be written as a sum of positive squares in 4 ways, for example, as 105124009 + 39300361 = 10253^2 + 6269^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 17030.

Almost surely, 2^144424370 is an apocalyptic number.

144424370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144424370 is a deficient number, since it is larger than the sum of its proper divisors (115880038).

144424370 is a wasteful number, since it uses less digits than its factorization.

144424370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18925.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 144424370 is about 12017.6690751576. The cubic root of 144424370 is about 524.6626646241.

The spelling of 144424370 in words is "one hundred forty-four million, four hundred twenty-four thousand, three hundred seventy".