1142343774 has 96 divisors (see below), whose sum is σ = 2943368064. Its totient is φ = 315627840.

The previous prime is 1142343757. The next prime is 1142343793. The reversal of 1142343774 is 4773432411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210969 + ... + 216315.

It is an arithmetic number, because the mean of its divisors is an integer number (30660084).

Almost surely, 2^1142343774 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1142343774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1471684032).

1142343774 is an abundant number, since it is smaller than the sum of its proper divisors (1801024290).

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

1142343774 is a wasteful number, since it uses less digits than its factorization.

1142343774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5462 (or 5459 counting only the distinct ones).

The product of its digits is 56448, while the sum is 36.

The square root of 1142343774 is about 33798.5765084863. The cubic root of 1142343774 is about 1045.3593459041.

The spelling of 1142343774 in words is "one billion, one hundred forty-two million, three hundred forty-three thousand, seven hundred seventy-four".