1457758442 has 16 divisors (see below), whose sum is σ = 2509745472. Its totient is φ = 622070880.

The previous prime is 1457758441. The next prime is 1457758459. The reversal of 1457758442 is 2448577541.

It is not an unprimeable number, because it can be changed into a prime (1457758441) 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, 220184 + ... + 226707.

It is an arithmetic number, because the mean of its divisors is an integer number (156859092).

Almost surely, 2^1457758442 is an apocalyptic number.

1457758442 is a deficient number, since it is larger than the sum of its proper divisors (1051987030).

1457758442 is a wasteful number, since it uses less digits than its factorization.

1457758442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447133.

The product of its digits is 1254400, while the sum is 47.

The square root of 1457758442 is about 38180.6029549037. The cubic root of 1457758442 is about 1133.8663192226.

The spelling of 1457758442 in words is "one billion, four hundred fifty-seven million, seven hundred fifty-eight thousand, four hundred forty-two".