155329146 has 24 divisors (see below), whose sum is σ = 384624864. Its totient is φ = 44379720.

The previous prime is 155329103. The next prime is 155329147. The reversal of 155329146 is 641923551.

It is a self number, because there is not a number n which added to its sum of digits gives 155329146.

It is not an unprimeable number, because it can be changed into a prime (155329147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 616260 + ... + 616511.

It is an arithmetic number, because the mean of its divisors is an integer number (16026036).

Almost surely, 2^155329146 is an apocalyptic number.

155329146 is an abundant number, since it is smaller than the sum of its proper divisors (229295718).

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

155329146 is a wasteful number, since it uses less digits than its factorization.

155329146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232786 (or 1232783 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 155329146 is about 12463.1114092750. Note that the first 3 decimals coincide. The cubic root of 155329146 is about 537.5484965076.

The spelling of 155329146 in words is "one hundred fifty-five million, three hundred twenty-nine thousand, one hundred forty-six".