1154100142 has 16 divisors (see below), whose sum is σ = 1864875600. Its totient is φ = 532501632.

The previous prime is 1154100137. The next prime is 1154100149. The reversal of 1154100142 is 2410014511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1154100149) 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, 164233 + ... + 171115.

It is an arithmetic number, because the mean of its divisors is an integer number (116554725).

Almost surely, 2^1154100142 is an apocalyptic number.

1154100142 is a deficient number, since it is larger than the sum of its proper divisors (710775458).

1154100142 is a wasteful number, since it uses less digits than its factorization.

1154100142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13347.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1154100142 is about 33972.0494230183. The cubic root of 1154100142 is about 1048.9331997934.

Adding to 1154100142 its reverse (2410014511), we get a palindrome (3564114653).

The spelling of 1154100142 in words is "one billion, one hundred fifty-four million, one hundred thousand, one hundred forty-two".