155154641 has 4 divisors (see below), whose sum is σ = 155564400. Its totient is φ = 154744884.

The previous prime is 155154617. The next prime is 155154709. The reversal of 155154641 is 146451551.

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.

It is a cyclic number.

It is not a de Polignac number, because 155154641 - 2⁶ = 155154577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155154598 and 155154607.

It is not an unprimeable number, because it can be changed into a prime (155151641) 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, 204311 + ... + 205068.

It is an arithmetic number, because the mean of its divisors is an integer number (38891100).

Almost surely, 2^155154641 is an apocalyptic number.

It is an amenable number.

155154641 is a deficient number, since it is larger than the sum of its proper divisors (409759).

155154641 is an equidigital number, since it uses as much as digits as its factorization.

155154641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409758.

The product of its digits is 12000, while the sum is 32.

The square root of 155154641 is about 12456.1085817361. The cubic root of 155154641 is about 537.3471175794.

The spelling of 155154641 in words is "one hundred fifty-five million, one hundred fifty-four thousand, six hundred forty-one".