163525142 has 32 divisors (see below), whose sum is σ = 293116320. Its totient is φ = 67540480.

The previous prime is 163525127. The next prime is 163525151. The reversal of 163525142 is 241525361.

It is a super-2 number, since 2×163525142² = 53480944132240328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3308 + ... + 18384.

It is an arithmetic number, because the mean of its divisors is an integer number (9159885).

Almost surely, 2^163525142 is an apocalyptic number.

163525142 is a deficient number, since it is larger than the sum of its proper divisors (129591178).

163525142 is a wasteful number, since it uses less digits than its factorization.

163525142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15136.

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

The square root of 163525142 is about 12787.6949447506. The cubic root of 163525142 is about 546.8415575827.

The spelling of 163525142 in words is "one hundred sixty-three million, five hundred twenty-five thousand, one hundred forty-two".