155850073 has 8 divisors (see below), whose sum is σ = 159344640. Its totient is φ = 152363040.

The previous prime is 155850029. The next prime is 155850077. The reversal of 155850073 is 370058551.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155850073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155850077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68488 + ... + 70726.

It is an arithmetic number, because the mean of its divisors is an integer number (19918080).

Almost surely, 2^155850073 is an apocalyptic number.

It is an amenable number.

155850073 is a deficient number, since it is larger than the sum of its proper divisors (3494567).

155850073 is a wasteful number, since it uses less digits than its factorization.

155850073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767.

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 155850073 is about 12483.9926706162. The cubic root of 155850073 is about 538.1487510352.

The spelling of 155850073 in words is "one hundred fifty-five million, eight hundred fifty thousand, seventy-three".