144572507 has 2 divisors, whose sum is σ = 144572508. Its totient is φ = 144572506.

The previous prime is 144572443. The next prime is 144572537. The reversal of 144572507 is 705275441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144572507 - 2⁶ = 144572443 is a prime.

It is not a weakly prime, because it can be changed into another prime (144572537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72286253 + 72286254.

It is an arithmetic number, because the mean of its divisors is an integer number (72286254).

Almost surely, 2^144572507 is an apocalyptic number.

144572507 is a deficient number, since it is larger than the sum of its proper divisors (1).

144572507 is an equidigital number, since it uses as much as digits as its factorization.

144572507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39200, while the sum is 35.

The square root of 144572507 is about 12023.8307955493. The cubic root of 144572507 is about 524.8419866110.

The spelling of 144572507 in words is "one hundred forty-four million, five hundred seventy-two thousand, five hundred seven".