144562139 has 2 divisors, whose sum is σ = 144562140. Its totient is φ = 144562138.

The previous prime is 144562091. The next prime is 144562181. The reversal of 144562139 is 931265441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144562139 - 2⁸ = 144561883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 144562099 and 144562108.

It is not a weakly prime, because it can be changed into another prime (144562189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72281069 + 72281070.

It is an arithmetic number, because the mean of its divisors is an integer number (72281070).

Almost surely, 2^144562139 is an apocalyptic number.

144562139 is a deficient number, since it is larger than the sum of its proper divisors (1).

144562139 is an equidigital number, since it uses as much as digits as its factorization.

144562139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 35.

The square root of 144562139 is about 12023.3996440275. The cubic root of 144562139 is about 524.8294399844.

The spelling of 144562139 in words is "one hundred forty-four million, five hundred sixty-two thousand, one hundred thirty-nine".