145329166 has 4 divisors (see below), whose sum is σ = 217993752. Its totient is φ = 72664582.

The previous prime is 145329139. The next prime is 145329181. The reversal of 145329166 is 661923541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×145329166² = 42241132980511112, which contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 36332290 + ... + 36332293.

It is an arithmetic number, because the mean of its divisors is an integer number (54498438).

Almost surely, 2^145329166 is an apocalyptic number.

145329166 is a deficient number, since it is larger than the sum of its proper divisors (72664586).

145329166 is an equidigital number, since it uses as much as digits as its factorization.

145329166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72664585.

The product of its digits is 38880, while the sum is 37.

The square root of 145329166 is about 12055.2547048994. The cubic root of 145329166 is about 525.7560276135.

The spelling of 145329166 in words is "one hundred forty-five million, three hundred twenty-nine thousand, one hundred sixty-six".