162155432 has 8 divisors (see below), whose sum is σ = 304041450. Its totient is φ = 81077712.

The previous prime is 162155431. The next prime is 162155437. The reversal of 162155432 is 234551261.

It can be written as a sum of positive squares in only one way, i.e., 162154756 + 676 = 12734^2 + 26^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 162155395 and 162155404.

It is not an unprimeable number, because it can be changed into a prime (162155431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10134707 + ... + 10134722.

Almost surely, 2^162155432 is an apocalyptic number.

It is an amenable number.

162155432 is a deficient number, since it is larger than the sum of its proper divisors (141886018).

162155432 is a wasteful number, since it uses less digits than its factorization.

162155432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269435 (or 20269431 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 162155432 is about 12734.0265430853. The cubic root of 162155432 is about 545.3104669897.

The spelling of 162155432 in words is "one hundred sixty-two million, one hundred fifty-five thousand, four hundred thirty-two".