155472356 has 24 divisors (see below), whose sum is σ = 293488440. Its totient is φ = 71638272.

The previous prime is 155472349. The next prime is 155472367. The reversal of 155472356 is 653274551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7022500 + 148449856 = 2650^2 + 12184^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 34760 + ... + 38976.

It is an arithmetic number, because the mean of its divisors is an integer number (12228685).

Almost surely, 2^155472356 is an apocalyptic number.

It is an amenable number.

155472356 is a deficient number, since it is larger than the sum of its proper divisors (138016084).

155472356 is a wasteful number, since it uses less digits than its factorization.

155472356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943 (or 4941 counting only the distinct ones).

The product of its digits is 126000, while the sum is 38.

The square root of 155472356 is about 12468.8554406569. The cubic root of 155472356 is about 537.7136483279.

The spelling of 155472356 in words is "one hundred fifty-five million, four hundred seventy-two thousand, three hundred fifty-six".