155045016 has 240 divisors, whose sum is σ = 533827800. Its totient is φ = 41803776.

The previous prime is 155045003. The next prime is 155045021. The reversal of 155045016 is 610540551.

It is a happy number.

155045016 is a `hidden beast` number, since 155 + 0 + 4 + 501 + 6 = 666.

155045016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 603160 + ... + 603416.

Almost surely, 2^155045016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155045016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266913900).

155045016 is an abundant number, since it is smaller than the sum of its proper divisors (378782784).

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

155045016 is a wasteful number, since it uses less digits than its factorization.

155045016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 155045016 is about 12451.7073528091. The cubic root of 155045016 is about 537.2205329960.

Adding to 155045016 its reverse (610540551), we get a palindrome (765585567).

The spelling of 155045016 in words is "one hundred fifty-five million, forty-five thousand, sixteen".