155266541 has 4 divisors (see below), whose sum is σ = 159462972. Its totient is φ = 151070112.

The previous prime is 155266519. The next prime is 155266561. The reversal of 155266541 is 145662551.

155266541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145662551 = 7481 ⋅19471.

It can be written as a sum of positive squares in 2 ways, for example, as 85192900 + 70073641 = 9230^2 + 8371^2 .

It is not a de Polignac number, because 155266541 - 2²² = 151072237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155266511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2098160 + ... + 2098233.

It is an arithmetic number, because the mean of its divisors is an integer number (39865743).

Almost surely, 2^155266541 is an apocalyptic number.

It is an amenable number.

155266541 is a deficient number, since it is larger than the sum of its proper divisors (4196431).

155266541 is an equidigital number, since it uses as much as digits as its factorization.

155266541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196430.

The product of its digits is 36000, while the sum is 35.

The square root of 155266541 is about 12460.5995441632. The cubic root of 155266541 is about 537.4762676379.

The spelling of 155266541 in words is "one hundred fifty-five million, two hundred sixty-six thousand, five hundred forty-one".