144157487 has 2 divisors, whose sum is σ = 144157488. Its totient is φ = 144157486.

The previous prime is 144157417. The next prime is 144157493. The reversal of 144157487 is 784751441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144157487 - 2¹² = 144153391 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144157417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72078743 + 72078744.

It is an arithmetic number, because the mean of its divisors is an integer number (72078744).

Almost surely, 2^144157487 is an apocalyptic number.

144157487 is a deficient number, since it is larger than the sum of its proper divisors (1).

144157487 is an equidigital number, since it uses as much as digits as its factorization.

144157487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 125440, while the sum is 41.

The square root of 144157487 is about 12006.5601651764. The cubic root of 144157487 is about 524.3392891789.

The spelling of 144157487 in words is "one hundred forty-four million, one hundred fifty-seven thousand, four hundred eighty-seven".