155422125 has 32 divisors (see below), whose sum is σ = 287364480. Its totient is φ = 82890000.

The previous prime is 155422097. The next prime is 155422139. The reversal of 155422125 is 521224551.

155422125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155422125 - 2⁵ = 155422093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19651 + ... + 26400.

It is an arithmetic number, because the mean of its divisors is an integer number (8980140).

Almost surely, 2^155422125 is an apocalyptic number.

155422125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155422125 is a deficient number, since it is larger than the sum of its proper divisors (131942355).

155422125 is an equidigital number, since it uses as much as digits as its factorization.

155422125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46075 (or 46059 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 155422125 is about 12466.8410192799. The cubic root of 155422125 is about 537.6557327723.

Adding to 155422125 its reverse (521224551), we get a palindrome (676646676).

The spelling of 155422125 in words is "one hundred fifty-five million, four hundred twenty-two thousand, one hundred twenty-five".