155120432 has 10 divisors (see below), whose sum is σ = 300545868. Its totient is φ = 77560208.

The previous prime is 155120429. The next prime is 155120447. The reversal of 155120432 is 234021551.

It is a junction number, because it is equal to n+sod(n) for n = 155120398 and 155120407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4847498 + ... + 4847529.

Almost surely, 2^155120432 is an apocalyptic number.

It is an amenable number.

155120432 is a deficient number, since it is larger than the sum of its proper divisors (145425436).

155120432 is an equidigital number, since it uses as much as digits as its factorization.

155120432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9695035 (or 9695029 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 155120432 is about 12454.7353243656. The cubic root of 155120432 is about 537.3076226631.

Adding to 155120432 its reverse (234021551), we get a palindrome (389141983).

The spelling of 155120432 in words is "one hundred fifty-five million, one hundred twenty thousand, four hundred thirty-two".