1457345648 has 20 divisors (see below), whose sum is σ = 3080299128. Its totient is φ = 662429760.

The previous prime is 1457345641. The next prime is 1457345651. The reversal of 1457345648 is 8465437541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457345641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4140011 + ... + 4140362.

Almost surely, 2^1457345648 is an apocalyptic number.

It is an amenable number.

1457345648 is an abundant number, since it is smaller than the sum of its proper divisors (1622953480).

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

1457345648 is a wasteful number, since it uses less digits than its factorization.

1457345648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8280392 (or 8280386 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 47.

The square root of 1457345648 is about 38175.1967643914. The cubic root of 1457345648 is about 1133.7592833365.

The spelling of 1457345648 in words is "one billion, four hundred fifty-seven million, three hundred forty-five thousand, six hundred forty-eight".