144892487 has 2 divisors, whose sum is σ = 144892488. Its totient is φ = 144892486.

The previous prime is 144892471. The next prime is 144892529. The reversal of 144892487 is 784298441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144892487 - 2⁴ = 144892471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144892417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72446243 + 72446244.

It is an arithmetic number, because the mean of its divisors is an integer number (72446244).

Almost surely, 2^144892487 is an apocalyptic number.

144892487 is a deficient number, since it is larger than the sum of its proper divisors (1).

144892487 is an equidigital number, since it uses as much as digits as its factorization.

144892487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 47.

The square root of 144892487 is about 12037.1295166248. The cubic root of 144892487 is about 525.2289093984.

The spelling of 144892487 in words is "one hundred forty-four million, eight hundred ninety-two thousand, four hundred eighty-seven".