155801046 has 8 divisors (see below), whose sum is σ = 311602104. Its totient is φ = 51933680.

The previous prime is 155801029. The next prime is 155801047. The reversal of 155801046 is 640108551.

155801046 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.

155801046 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155801047) 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, 12983415 + ... + 12983426.

It is an arithmetic number, because the mean of its divisors is an integer number (38950263).

Almost surely, 2^155801046 is an apocalyptic number.

155801046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155801046 is a wasteful number, since it uses less digits than its factorization.

155801046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25966846.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 155801046 is about 12482.0289216137. The cubic root of 155801046 is about 538.0923152027.

Adding to 155801046 its reverse (640108551), we get a palindrome (795909597).

The spelling of 155801046 in words is "one hundred fifty-five million, eight hundred one thousand, forty-six".