1453143461 has 12 divisors (see below), whose sum is σ = 1844064000. Its totient is φ = 1132319160.

The previous prime is 1453143437. The next prime is 1453143479. The reversal of 1453143461 is 1643413541.

It is a happy number.

It is not a de Polignac number, because 1453143461 - 2¹⁸ = 1452881317 is a prime.

It is a super-2 number, since 2×1453143461² = 4223251836494117042, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453143401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1347461 + ... + 1348538.

It is an arithmetic number, because the mean of its divisors is an integer number (153672000).

Almost surely, 2^1453143461 is an apocalyptic number.

1453143461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1453143461 is a deficient number, since it is larger than the sum of its proper divisors (390920539).

1453143461 is a wasteful number, since it uses less digits than its factorization.

1453143461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696024 (or 2696017 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 1453143461 is about 38120.1188481883. The cubic root of 1453143461 is about 1132.6685205838.

The spelling of 1453143461 in words is "one billion, four hundred fifty-three million, one hundred forty-three thousand, four hundred sixty-one".