155245232 has 20 divisors (see below), whose sum is σ = 301572960. Its totient is φ = 77419968.

The previous prime is 155245213. The next prime is 155245253. The reversal of 155245232 is 232542551.

It is a junction number, because it is equal to n+sod(n) for n = 155245195 and 155245204.

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 3 ways as a sum of consecutive naturals, for example, 6248 + ... + 18695.

It is an arithmetic number, because the mean of its divisors is an integer number (15078648).

Almost surely, 2^155245232 is an apocalyptic number.

It is an amenable number.

155245232 is a deficient number, since it is larger than the sum of its proper divisors (146327728).

155245232 is a wasteful number, since it uses less digits than its factorization.

155245232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25340 (or 25334 counting only the distinct ones).

The product of its digits is 12000, while the sum is 29.

The square root of 155245232 is about 12459.7444596589. The cubic root of 155245232 is about 537.4516785116.

Adding to 155245232 its reverse (232542551), we get a palindrome (387787783).

The spelling of 155245232 in words is "one hundred fifty-five million, two hundred forty-five thousand, two hundred thirty-two".