155040773 has 8 divisors (see below), whose sum is σ = 156559392. Its totient is φ = 153529936.

The previous prime is 155040761. The next prime is 155040793. The reversal of 155040773 is 377040551.

155040773 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155040773 - 2¹² = 155036677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155040713) 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, 42986 + ... + 46452.

It is an arithmetic number, because the mean of its divisors is an integer number (19569924).

Almost surely, 2^155040773 is an apocalyptic number.

It is an amenable number.

155040773 is a deficient number, since it is larger than the sum of its proper divisors (1518619).

155040773 is a wasteful number, since it uses less digits than its factorization.

155040773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3891.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 155040773 is about 12451.5369734021. The cubic root of 155040773 is about 537.2156323816.

The spelling of 155040773 in words is "one hundred fifty-five million, forty thousand, seven hundred seventy-three".