144172090 has 12 divisors (see below), whose sum is σ = 259578126. Its totient is φ = 57653648.

The previous prime is 144172081. The next prime is 144172099. The reversal of 144172090 is 90271441.

144172090 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 (144172081) and next prime (144172099).

It can be written as a sum of positive squares in 3 ways, for example, as 25775929 + 118396161 = 5077^2 + 10881^2 .

It is not an unprimeable number, because it can be changed into a prime (144172099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36072 + ... + 39868.

Almost surely, 2^144172090 is an apocalyptic number.

144172090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144172090 is a deficient number, since it is larger than the sum of its proper divisors (115406036).

144172090 is an frugal number, since it uses more digits than its factorization.

144172090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7601 (or 3804 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 144172090 is about 12007.1682756593. The cubic root of 144172090 is about 524.3569935851.

The spelling of 144172090 in words is "one hundred forty-four million, one hundred seventy-two thousand, ninety".