155425101 has 32 divisors (see below), whose sum is σ = 237323520. Its totient is φ = 89631744.

The previous prime is 155425093. The next prime is 155425121. The reversal of 155425101 is 101524551.

It is not a de Polignac number, because 155425101 - 2³ = 155425093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155425121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237691 + ... + 238343.

It is an arithmetic number, because the mean of its divisors is an integer number (7416360).

Almost surely, 2^155425101 is an apocalyptic number.

It is an amenable number.

155425101 is a deficient number, since it is larger than the sum of its proper divisors (81898419).

155425101 is a wasteful number, since it uses less digits than its factorization.

155425101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 155425101 is about 12466.9603753281. The cubic root of 155425101 is about 537.6591644014.

Adding to 155425101 its reverse (101524551), we get a palindrome (256949652).

The spelling of 155425101 in words is "one hundred fifty-five million, four hundred twenty-five thousand, one hundred one".