154125142 has 4 divisors (see below), whose sum is σ = 231187716. Its totient is φ = 77062570.

The previous prime is 154125133. The next prime is 154125151. The reversal of 154125142 is 241521451.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (154125133) and next prime (154125151).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38531284 + ... + 38531287.

It is an arithmetic number, because the mean of its divisors is an integer number (57796929).

Almost surely, 2^154125142 is an apocalyptic number.

154125142 is a deficient number, since it is larger than the sum of its proper divisors (77062574).

154125142 is an equidigital number, since it uses as much as digits as its factorization.

154125142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77062573.

The product of its digits is 1600, while the sum is 25.

The square root of 154125142 is about 12414.7147369563. The cubic root of 154125142 is about 536.1559911130.

Adding to 154125142 its reverse (241521451), we get a palindrome (395646593).

The spelling of 154125142 in words is "one hundred fifty-four million, one hundred twenty-five thousand, one hundred forty-two".