1439545153 has 2 divisors, whose sum is σ = 1439545154. Its totient is φ = 1439545152.

The previous prime is 1439545103. The next prime is 1439545157. The reversal of 1439545153 is 3515459341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1398161664 + 41383489 = 37392^2 + 6433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1439545153 - 2²⁵ = 1405990721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1439545157) 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, 719772576 + 719772577.

It is an arithmetic number, because the mean of its divisors is an integer number (719772577).

Almost surely, 2^1439545153 is an apocalyptic number.

It is an amenable number.

1439545153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1439545153 is an equidigital number, since it uses as much as digits as its factorization.

1439545153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 1439545153 is about 37941.3383132435. The cubic root of 1439545153 is about 1129.1243256325.

The spelling of 1439545153 in words is "one billion, four hundred thirty-nine million, five hundred forty-five thousand, one hundred fifty-three".