1453005144 has 24 divisors (see below), whose sum is σ = 3935222460. Its totient is φ = 484335024.

The previous prime is 1453005137. The next prime is 1453005173. The reversal of 1453005144 is 4415003541.

It is a happy number.

1453005144 is a `hidden beast` number, since 145 + 3 + 0 + 0 + 514 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1453005144² = 4222447896980921472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10090242 + ... + 10090385.

Almost surely, 2^1453005144 is an apocalyptic number.

It is an amenable number.

1453005144 is an abundant number, since it is smaller than the sum of its proper divisors (2482217316).

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

1453005144 is a wasteful number, since it uses less digits than its factorization.

1453005144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20180639 (or 20180632 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1453005144 is about 38118.3045792963. The cubic root of 1453005144 is about 1132.6325818787.

Adding to 1453005144 its reverse (4415003541), we get a palindrome (5868008685).

The spelling of 1453005144 in words is "one billion, four hundred fifty-three million, five thousand, one hundred forty-four".