1142154152444 has 48 divisors (see below), whose sum is σ = 2040056928000. Its totient is φ = 559319694336.

The previous prime is 1142154152437. The next prime is 1142154152479. The reversal of 1142154152444 is 4442514512411.

It is a super-2 number, since 2×1142154152444² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142154152398 and 1142154152407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 472549124 + ... + 472551540.

It is an arithmetic number, because the mean of its divisors is an integer number (42501186000).

Almost surely, 2^{1142154152444} is an apocalyptic number.

It is an amenable number.

1142154152444 is a deficient number, since it is larger than the sum of its proper divisors (897902775556).

1142154152444 is a wasteful number, since it uses less digits than its factorization.

1142154152444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5460 counting only the distinct ones).

The product of its digits is 102400, while the sum is 38.

Adding to 1142154152444 its reverse (4442514512411), we get a palindrome (5584668664855).

The spelling of 1142154152444 in words is "one trillion, one hundred forty-two billion, one hundred fifty-four million, one hundred fifty-two thousand, four hundred forty-four".