1142394455 has 16 divisors (see below), whose sum is σ = 1401784704. Its totient is φ = 893356800.

The previous prime is 1142394443. The next prime is 1142394457. The reversal of 1142394455 is 5544932411.

It is not a de Polignac number, because 1142394455 - 2¹⁶ = 1142328919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142394457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221405 + ... + 226505.

It is an arithmetic number, because the mean of its divisors is an integer number (87611544).

Almost surely, 2^1142394455 is an apocalyptic number.

1142394455 is a deficient number, since it is larger than the sum of its proper divisors (259390249).

1142394455 is an equidigital number, since it uses as much as digits as its factorization.

1142394455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6106.

The product of its digits is 86400, while the sum is 38.

The square root of 1142394455 is about 33799.3262506814. The cubic root of 1142394455 is about 1045.3748050781.

The spelling of 1142394455 in words is "one billion, one hundred forty-two million, three hundred ninety-four thousand, four hundred fifty-five".