1144306142 has 16 divisors (see below), whose sum is σ = 2077060320. Its totient is φ = 461568768.

The previous prime is 1144306109. The next prime is 1144306147. The reversal of 1144306142 is 2416034411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144306147) 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, 2403767 + ... + 2404242.

It is an arithmetic number, because the mean of its divisors is an integer number (129816270).

Almost surely, 2^1144306142 is an apocalyptic number.

1144306142 is a deficient number, since it is larger than the sum of its proper divisors (932754178).

1144306142 is a wasteful number, since it uses less digits than its factorization.

1144306142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4808035.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1144306142 is about 33827.5943868316. The cubic root of 1144306142 is about 1045.9575914426.

The spelling of 1144306142 in words is "one billion, one hundred forty-four million, three hundred six thousand, one hundred forty-two".