154131125 has 16 divisors (see below), whose sum is σ = 192779184. Its totient is φ = 123033600.

The previous prime is 154131121. The next prime is 154131127. The reversal of 154131125 is 521131451.

It can be written as a sum of positive squares in 8 ways, for example, as 40729924 + 113401201 = 6382^2 + 10649^2 .

It is not a de Polignac number, because 154131125 - 2² = 154131121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 154131125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154131121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71057 + ... + 73193.

It is an arithmetic number, because the mean of its divisors is an integer number (12048699).

Almost surely, 2^154131125 is an apocalyptic number.

It is an amenable number.

154131125 is a deficient number, since it is larger than the sum of its proper divisors (38648059).

154131125 is an equidigital number, since it uses as much as digits as its factorization.

154131125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2719 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 154131125 is about 12414.9556986725. The cubic root of 154131125 is about 536.1629287217.

Adding to 154131125 its reverse (521131451), we get a palindrome (675262576).

The spelling of 154131125 in words is "one hundred fifty-four million, one hundred thirty-one thousand, one hundred twenty-five".