1453256146 has 8 divisors (see below), whose sum is σ = 2181619440. Its totient is φ = 726049668.

The previous prime is 1453256143. The next prime is 1453256159. The reversal of 1453256146 is 6416523541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1453256146² = 4223906851773546632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1453256143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286056 + ... + 291091.

It is an arithmetic number, because the mean of its divisors is an integer number (272702430).

Almost surely, 2^1453256146 is an apocalyptic number.

1453256146 is a deficient number, since it is larger than the sum of its proper divisors (728363294).

1453256146 is a wasteful number, since it uses less digits than its factorization.

1453256146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578408.

The product of its digits is 86400, while the sum is 37.

The square root of 1453256146 is about 38121.5968448332. The cubic root of 1453256146 is about 1132.6977976778.

Adding to 1453256146 its reverse (6416523541), we get a palindrome (7869779687).

The spelling of 1453256146 in words is "one billion, four hundred fifty-three million, two hundred fifty-six thousand, one hundred forty-six".