1457147539 has 4 divisors (see below), whose sum is σ = 1457488624. Its totient is φ = 1456806456.

The previous prime is 1457147519. The next prime is 1457147551. The reversal of 1457147539 is 9357417541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9357417541 = 2039 ⋅4589219.

It is a cyclic number.

It is not a de Polignac number, because 1457147539 - 2¹³ = 1457139347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457147509) 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 in 3 ways as a sum of consecutive naturals, for example, 164052 + ... + 172705.

It is an arithmetic number, because the mean of its divisors is an integer number (364372156).

Almost surely, 2^1457147539 is an apocalyptic number.

1457147539 is a deficient number, since it is larger than the sum of its proper divisors (341085).

1457147539 is an equidigital number, since it uses as much as digits as its factorization.

1457147539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341084.

The product of its digits is 529200, while the sum is 46.

The square root of 1457147539 is about 38172.6019417068. The cubic root of 1457147539 is about 1133.7079072619.

It can be divided in two parts, 1457 and 147539, that added together give a square (148996 = 386²).

The spelling of 1457147539 in words is "one billion, four hundred fifty-seven million, one hundred forty-seven thousand, five hundred thirty-nine".