155256845 has 8 divisors (see below), whose sum is σ = 186538464. Its totient is φ = 124051984.

The previous prime is 155256811. The next prime is 155256853. The reversal of 155256845 is 548652551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155256845 - 2⁸ = 155256589 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14639 + ... + 22908.

It is an arithmetic number, because the mean of its divisors is an integer number (23317308).

Almost surely, 2^155256845 is an apocalyptic number.

It is an amenable number.

155256845 is a deficient number, since it is larger than the sum of its proper divisors (31281619).

155256845 is an equidigital number, since it uses as much as digits as its factorization.

155256845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38379.

The product of its digits is 240000, while the sum is 41.

The square root of 155256845 is about 12460.2104717376. The cubic root of 155256845 is about 537.4650793971.

The spelling of 155256845 in words is "one hundred fifty-five million, two hundred fifty-six thousand, eight hundred forty-five".