1539245423 has 8 divisors (see below), whose sum is σ = 1643080320. Its totient is φ = 1437692760.

The previous prime is 1539245417. The next prime is 1539245429. The reversal of 1539245423 is 3245429351.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1539245417) and next prime (1539245429).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1539245423 - 2⁶ = 1539245359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539245429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 569165 + ... + 571862.

It is an arithmetic number, because the mean of its divisors is an integer number (205385040).

Almost surely, 2^1539245423 is an apocalyptic number.

1539245423 is a deficient number, since it is larger than the sum of its proper divisors (103834897).

1539245423 is a wasteful number, since it uses less digits than its factorization.

1539245423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141117.

The product of its digits is 129600, while the sum is 38.

The square root of 1539245423 is about 39233.2183614855. The cubic root of 1539245423 is about 1154.6117078360.

The spelling of 1539245423 in words is "one billion, five hundred thirty-nine million, two hundred forty-five thousand, four hundred twenty-three".