144143770 has 8 divisors (see below), whose sum is σ = 259458804. Its totient is φ = 57657504.

The previous prime is 144143761. The next prime is 144143771. The reversal of 144143770 is 77341441.

It can be written as a sum of positive squares in 2 ways, for example, as 131262849 + 12880921 = 11457^2 + 3589^2 .

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

It is not an unprimeable number, because it can be changed into a prime (144143771) 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, 7207179 + ... + 7207198.

Almost surely, 2^144143770 is an apocalyptic number.

144143770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144143770 is a deficient number, since it is larger than the sum of its proper divisors (115315034).

144143770 is a wasteful number, since it uses less digits than its factorization.

144143770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14414384.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 144143770 is about 12005.9889222005. The cubic root of 144143770 is about 524.3226578537.

The spelling of 144143770 in words is "one hundred forty-four million, one hundred forty-three thousand, seven hundred seventy".