1142899453 has 2 divisors, whose sum is σ = 1142899454. Its totient is φ = 1142899452.

The previous prime is 1142899393. The next prime is 1142899469. The reversal of 1142899453 is 3549982411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1130775129 + 12124324 = 33627^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142899453 - 2¹⁷ = 1142768381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142899853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571449726 + 571449727.

It is an arithmetic number, because the mean of its divisors is an integer number (571449727).

Almost surely, 2^1142899453 is an apocalyptic number.

It is an amenable number.

1142899453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142899453 is an equidigital number, since it uses as much as digits as its factorization.

1142899453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 1142899453 is about 33806.7959588009. The cubic root of 1142899453 is about 1045.5288191358.

The spelling of 1142899453 in words is "one billion, one hundred forty-two million, eight hundred ninety-nine thousand, four hundred fifty-three".