1457603146 has 4 divisors (see below), whose sum is σ = 2186404722. Its totient is φ = 728801572.

The previous prime is 1457603141. The next prime is 1457603149. The reversal of 1457603146 is 6413067541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6413067541 = 1747 ⋅3670903.

It can be written as a sum of positive squares in only one way, i.e., 1133062921 + 324540225 = 33661^2 + 18015^2 .

It is not an unprimeable number, because it can be changed into a prime (1457603141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364400785 + ... + 364400788.

Almost surely, 2^1457603146 is an apocalyptic number.

1457603146 is a deficient number, since it is larger than the sum of its proper divisors (728801576).

1457603146 is an equidigital number, since it uses as much as digits as its factorization.

1457603146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728801575.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 1457603146 is about 38178.5691979152. The cubic root of 1457603146 is about 1133.8260539423.

The spelling of 1457603146 in words is "one billion, four hundred fifty-seven million, six hundred three thousand, one hundred forty-six".