1453123144 has 32 divisors (see below), whose sum is σ = 3147141600. Its totient is φ = 621656320.

The previous prime is 1453123117. The next prime is 1453123159. The reversal of 1453123144 is 4413213541.

It is a super-2 number, since 2×1453123144² = 4223133743256889472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484174 + ... + 487165.

It is an arithmetic number, because the mean of its divisors is an integer number (98348175).

Almost surely, 2^1453123144 is an apocalyptic number.

It is an amenable number.

1453123144 is an abundant number, since it is smaller than the sum of its proper divisors (1694018456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1453123144 is a wasteful number, since it uses less digits than its factorization.

1453123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971373 (or 971369 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 1453123144 is about 38119.8523606795. The cubic root of 1453123144 is about 1132.6632417901.

Adding to 1453123144 its reverse (4413213541), we get a palindrome (5866336685).

It can be divided in two parts, 14531 and 23144, that added together give a triangular number (37675 = T₂₇₄).

The spelling of 1453123144 in words is "one billion, four hundred fifty-three million, one hundred twenty-three thousand, one hundred forty-four".