1457545685 has 8 divisors (see below), whose sum is σ = 1749715800. Its totient is φ = 1165595904.

The previous prime is 1457545681. The next prime is 1457545697. The reversal of 1457545685 is 5865457541.

It can be written as a sum of positive squares in 4 ways, for example, as 138839089 + 1318706596 = 11783^2 + 36314^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1457545685 - 2² = 1457545681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457545681) 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, 40160 + ... + 67289.

It is an arithmetic number, because the mean of its divisors is an integer number (218714475).

Almost surely, 2^1457545685 is an apocalyptic number.

It is an amenable number.

1457545685 is a deficient number, since it is larger than the sum of its proper divisors (292170115).

1457545685 is a wasteful number, since it uses less digits than its factorization.

1457545685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110167.

The product of its digits is 3360000, while the sum is 50.

The square root of 1457545685 is about 38177.8166609878. The cubic root of 1457545685 is about 1133.8111546799.

The spelling of 1457545685 in words is "one billion, four hundred fifty-seven million, five hundred forty-five thousand, six hundred eighty-five".