144238970 has 32 divisors (see below), whose sum is σ = 273093120. Its totient is φ = 54774720.

The previous prime is 144238961. The next prime is 144238979. The reversal of 144238970 is 79832441.

144238970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (144238961) and next prime (144238979).

It is not an unprimeable number, because it can be changed into a prime (144238979) 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, 12041 + ... + 20819.

It is an arithmetic number, because the mean of its divisors is an integer number (8534160).

Almost surely, 2^144238970 is an apocalyptic number.

144238970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144238970 is a deficient number, since it is larger than the sum of its proper divisors (128854150).

144238970 is a wasteful number, since it uses less digits than its factorization.

144238970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8870.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 144238970 is about 12009.9529557780. The cubic root of 144238970 is about 524.4380623838.

The spelling of 144238970 in words is "one hundred forty-four million, two hundred thirty-eight thousand, nine hundred seventy".