155046641 has 4 divisors (see below), whose sum is σ = 155975232. Its totient is φ = 154118052.

The previous prime is 155046637. The next prime is 155046659. The reversal of 155046641 is 146640551.

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 155046641 - 2² = 155046637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 155046598 and 155046607.

It is not an unprimeable number, because it can be changed into a prime (155046601) 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, 464045 + ... + 464378.

It is an arithmetic number, because the mean of its divisors is an integer number (38993808).

Almost surely, 2^155046641 is an apocalyptic number.

It is an amenable number.

155046641 is a deficient number, since it is larger than the sum of its proper divisors (928591).

155046641 is an equidigital number, since it uses as much as digits as its factorization.

155046641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928590.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 155046641 is about 12451.7726047338. The cubic root of 155046641 is about 537.2224098280. Note that the first 3 decimals are identical.

The spelling of 155046641 in words is "one hundred fifty-five million, forty-six thousand, six hundred forty-one".