155252041 has 12 divisors (see below), whose sum is σ = 191223828. Its totient is φ = 125244672.

The previous prime is 155252033. The next prime is 155252057. The reversal of 155252041 is 140252551.

It can be written as a sum of positive squares in 2 ways, for example, as 121088016 + 34164025 = 11004^2 + 5845^2 .

It is not a de Polignac number, because 155252041 - 2³ = 155252033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155251997 and 155252015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155255041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92356 + ... + 94021.

It is an arithmetic number, because the mean of its divisors is an integer number (15935319).

Almost surely, 2^155252041 is an apocalyptic number.

It is an amenable number.

155252041 is a deficient number, since it is larger than the sum of its proper divisors (35971787).

155252041 is a wasteful number, since it uses less digits than its factorization.

155252041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186408 (or 186401 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 155252041 is about 12460.0176966166. The cubic root of 155252041 is about 537.4595358758.

The spelling of 155252041 in words is "one hundred fifty-five million, two hundred fifty-two thousand, forty-one".