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153125 = 5572
BaseRepresentation
bin100101011000100101
321210001022
4211120211
514400000
63140525
71205300
oct453045
9253038
10153125
11a5055
1274745
135490b
143db37
1530585
hex25625

153125 has 18 divisors (see below), whose sum is σ = 222642. Its totient is φ = 105000.

The previous prime is 153113. The next prime is 153133. The reversal of 153125 is 521351.

153125 = 203 + 213 + ... + 293.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 70756 + 82369 = 266^2 + 287^2 .

It is not a de Polignac number, because 153125 - 216 = 87589 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21872 + ... + 21878.

It is an arithmetic number, because the mean of its divisors is an integer number (12369).

2153125 is an apocalyptic number.

It is an amenable number.

153125 is a deficient number, since it is larger than the sum of its proper divisors (69517).

153125 is an frugal number, since it uses more digits than its factorization.

153125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39 (or 12 counting only the distinct ones).

The product of its digits is 150, while the sum is 17.

The square root of 153125 is about 391.3118960625. The cubic root of 153125 is about 53.4993740283.

Adding to 153125 its reverse (521351), we get a palindrome (674476).

The spelling of 153125 in words is "one hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 25 35 49 125 175 245 625 875 1225 3125 4375 6125 21875 30625 153125