145614071 has 4 divisors (see below), whose sum is σ = 146346000. Its totient is φ = 144882144.

The previous prime is 145614059. The next prime is 145614089. The reversal of 145614071 is 170416541.

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

It is a cyclic number.

It is not a de Polignac number, because 145614071 - 2²² = 141419767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145614011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365666 + ... + 366063.

It is an arithmetic number, because the mean of its divisors is an integer number (36586500).

Almost surely, 2^145614071 is an apocalyptic number.

145614071 is a deficient number, since it is larger than the sum of its proper divisors (731929).

145614071 is an equidigital number, since it uses as much as digits as its factorization.

145614071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731928.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 145614071 is about 12067.0655504974. The cubic root of 145614071 is about 526.0993694398.

The spelling of 145614071 in words is "one hundred forty-five million, six hundred fourteen thousand, seventy-one".