145327947 has 8 divisors (see below), whose sum is σ = 193826880. Its totient is φ = 96857160.

The previous prime is 145327939. The next prime is 145327957. The reversal of 145327947 is 749723541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145327947 - 2³ = 145327939 is a prime.

It is a super-2 number, since 2×145327947² = 42240424358469618, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145327899 and 145327908.

It is not an unprimeable number, because it can be changed into a prime (145327957) 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, 14004 + ... + 22062.

It is an arithmetic number, because the mean of its divisors is an integer number (24228360).

Almost surely, 2^145327947 is an apocalyptic number.

145327947 is a deficient number, since it is larger than the sum of its proper divisors (48498933).

145327947 is an equidigital number, since it uses as much as digits as its factorization.

145327947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073.

The product of its digits is 211680, while the sum is 42.

The square root of 145327947 is about 12055.2041459280. The cubic root of 145327947 is about 525.7545576209.

The spelling of 145327947 in words is "one hundred forty-five million, three hundred twenty-seven thousand, nine hundred forty-seven".