155449306 has 16 divisors (see below), whose sum is σ = 238075200. Its totient is φ = 76101568.

The previous prime is 155449303. The next prime is 155449319. The reversal of 155449306 is 603944551.

It is not an unprimeable number, because it can be changed into a prime (155449303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28530 + ... + 33538.

It is an arithmetic number, because the mean of its divisors is an integer number (14879700).

Almost surely, 2^155449306 is an apocalyptic number.

155449306 is a deficient number, since it is larger than the sum of its proper divisors (82625894).

155449306 is a wasteful number, since it uses less digits than its factorization.

155449306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5333.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 155449306 is about 12467.9311034349. The cubic root of 155449306 is about 537.6870735882.

The spelling of 155449306 in words is "one hundred fifty-five million, four hundred forty-nine thousand, three hundred six".