1457142424 has 8 divisors (see below), whose sum is σ = 2732142060. Its totient is φ = 728571208.

The previous prime is 1457142413. The next prime is 1457142461. The reversal of 1457142424 is 4242417541.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1457142424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91071394 + ... + 91071409.

Almost surely, 2^1457142424 is an apocalyptic number.

It is an amenable number.

1457142424 is a deficient number, since it is larger than the sum of its proper divisors (1274999636).

1457142424 is a wasteful number, since it uses less digits than its factorization.

1457142424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182142809 (or 182142805 counting only the distinct ones).

The product of its digits is 35840, while the sum is 34.

The square root of 1457142424 is about 38172.5349433333. The cubic root of 1457142424 is about 1133.7065807152.

Adding to 1457142424 its reverse (4242417541), we get a palindrome (5699559965).

The spelling of 1457142424 in words is "one billion, four hundred fifty-seven million, one hundred forty-two thousand, four hundred twenty-four".