1457481786 has 16 divisors (see below), whose sum is σ = 2915344224. Its totient is φ = 485763824.

The previous prime is 1457481749. The next prime is 1457481787. The reversal of 1457481786 is 6871847541.

It is not an unprimeable number, because it can be changed into a prime (1457481787) 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, 68140 + ... + 86936.

It is an arithmetic number, because the mean of its divisors is an integer number (182209014).

Almost surely, 2^1457481786 is an apocalyptic number.

1457481786 is an abundant number, since it is smaller than the sum of its proper divisors (1457862438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1457481786 is a wasteful number, since it uses less digits than its factorization.

1457481786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31725.

The product of its digits is 1505280, while the sum is 51.

The square root of 1457481786 is about 38176.9797914921. The cubic root of 1457481786 is about 1133.7945856263.

The spelling of 1457481786 in words is "one billion, four hundred fifty-seven million, four hundred eighty-one thousand, seven hundred eighty-six".