1142230494 has 16 divisors (see below), whose sum is σ = 2284800768. Its totient is φ = 380686872.

The previous prime is 1142230471. The next prime is 1142230499. The reversal of 1142230494 is 4940322411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142230499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57259 + ... + 74585.

It is an arithmetic number, because the mean of its divisors is an integer number (142800048).

Almost surely, 2^1142230494 is an apocalyptic number.

1142230494 is an abundant number, since it is smaller than the sum of its proper divisors (1142570274).

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

1142230494 is a wasteful number, since it uses less digits than its factorization.

1142230494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28319.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1142230494 is about 33796.9006567170. The cubic root of 1142230494 is about 1045.3247905674.

The spelling of 1142230494 in words is "one billion, one hundred forty-two million, two hundred thirty thousand, four hundred ninety-four".