155142125 has 16 divisors (see below), whose sum is σ = 203810880. Its totient is φ = 117579600.

The previous prime is 155142103. The next prime is 155142131. The reversal of 155142125 is 521241551.

It is not a de Polignac number, because 155142125 - 2¹⁰ = 155141101 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155142094 and 155142103.

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, 30287 + ... + 35036.

It is an arithmetic number, because the mean of its divisors is an integer number (12738180).

Almost surely, 2^155142125 is an apocalyptic number.

It is an amenable number.

155142125 is a deficient number, since it is larger than the sum of its proper divisors (48668755).

155142125 is an equidigital number, since it uses as much as digits as its factorization.

155142125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65357 (or 65347 counting only the distinct ones).

The product of its digits is 2000, while the sum is 26.

The square root of 155142125 is about 12455.6061675055. The cubic root of 155142125 is about 537.3326683020.

Adding to 155142125 its reverse (521241551), we get a palindrome (676383676).

The spelling of 155142125 in words is "one hundred fifty-five million, one hundred forty-two thousand, one hundred twenty-five".