144654157 has 2 divisors, whose sum is σ = 144654158. Its totient is φ = 144654156.

The previous prime is 144654137. The next prime is 144654197. The reversal of 144654157 is 751456441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125126596 + 19527561 = 11186^2 + 4419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144654157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144654137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72327078 + 72327079.

It is an arithmetic number, because the mean of its divisors is an integer number (72327079).

Almost surely, 2^144654157 is an apocalyptic number.

It is an amenable number.

144654157 is a deficient number, since it is larger than the sum of its proper divisors (1).

144654157 is an equidigital number, since it uses as much as digits as its factorization.

144654157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The square root of 144654157 is about 12027.2256568171. The cubic root of 144654157 is about 524.9407727593.

The spelling of 144654157 in words is "one hundred forty-four million, six hundred fifty-four thousand, one hundred fifty-seven".