155480873 has 4 divisors (see below), whose sum is σ = 155506560. Its totient is φ = 155455188.

The previous prime is 155480867. The next prime is 155480917. The reversal of 155480873 is 378084551.

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 155480873 - 2⁸ = 155480617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155480873.

It is not an unprimeable number, because it can be changed into a prime (155480833) 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, 1808 + ... + 17726.

It is an arithmetic number, because the mean of its divisors is an integer number (38876640).

Almost surely, 2^155480873 is an apocalyptic number.

It is an amenable number.

155480873 is a deficient number, since it is larger than the sum of its proper divisors (25687).

155480873 is an equidigital number, since it uses as much as digits as its factorization.

155480873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25686.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 155480873 is about 12469.1969669261. The cubic root of 155480873 is about 537.7234670585.

The spelling of 155480873 in words is "one hundred fifty-five million, four hundred eighty thousand, eight hundred seventy-three".