152020178 has 16 divisors (see below), whose sum is σ = 240303840. Its totient is φ = 71928000.

The previous prime is 152020177. The next prime is 152020189. The reversal of 152020178 is 871020251.

It is a super-2 number, since 2×152020178² = 46220269038303368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (152020177) 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 in 7 ways as a sum of consecutive naturals, for example, 43973 + ... + 47303.

It is an arithmetic number, because the mean of its divisors is an integer number (15018990).

Almost surely, 2^152020178 is an apocalyptic number.

152020178 is a deficient number, since it is larger than the sum of its proper divisors (88283662).

152020178 is a wasteful number, since it uses less digits than its factorization.

152020178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4553.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 152020178 is about 12329.6463047405. The cubic root of 152020178 is about 533.7039440541.

The spelling of 152020178 in words is "one hundred fifty-two million, twenty thousand, one hundred seventy-eight".