155254141 has 4 divisors (see below), whose sum is σ = 177433312. Its totient is φ = 133074972.

The previous prime is 155254103. The next prime is 155254147. The reversal of 155254141 is 141452551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 141452551 = 887 ⋅159473.

It is a cyclic number.

It is not a de Polignac number, because 155254141 - 2⁹ = 155253629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155254147) 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, 11089575 + ... + 11089588.

It is an arithmetic number, because the mean of its divisors is an integer number (44358328).

Almost surely, 2^155254141 is an apocalyptic number.

It is an amenable number.

155254141 is a deficient number, since it is larger than the sum of its proper divisors (22179171).

155254141 is an equidigital number, since it uses as much as digits as its factorization.

155254141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22179170.

The product of its digits is 4000, while the sum is 28.

The square root of 155254141 is about 12460.1019658749. The cubic root of 155254141 is about 537.4619591610.

The spelling of 155254141 in words is "one hundred fifty-five million, two hundred fifty-four thousand, one hundred forty-one".