1144357453 has 2 divisors, whose sum is σ = 1144357454. Its totient is φ = 1144357452.

The previous prime is 1144357427. The next prime is 1144357463. The reversal of 1144357453 is 3547534411.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024192009 + 120165444 = 32003^2 + 10962^2 .

It is a cyclic number.

It is not a de Polignac number, because 1144357453 - 2²⁵ = 1110803021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144357463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572178726 + 572178727.

It is an arithmetic number, because the mean of its divisors is an integer number (572178727).

Almost surely, 2^1144357453 is an apocalyptic number.

It is an amenable number.

1144357453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144357453 is an equidigital number, since it uses as much as digits as its factorization.

1144357453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 37.

The square root of 1144357453 is about 33828.3527976164. The cubic root of 1144357453 is about 1045.9732248836.

The spelling of 1144357453 in words is "one billion, one hundred forty-four million, three hundred fifty-seven thousand, four hundred fifty-three".