145671701 has 8 divisors (see below), whose sum is σ = 170981760. Its totient is φ = 121486608.

The previous prime is 145671683. The next prime is 145671707. The reversal of 145671701 is 107176541.

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

It is a cyclic number.

It is not a de Polignac number, because 145671701 - 2⁶ = 145671637 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 (145671707) 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, 280961 + ... + 281478.

It is an arithmetic number, because the mean of its divisors is an integer number (21372720).

Almost surely, 2^145671701 is an apocalyptic number.

It is an amenable number.

145671701 is a deficient number, since it is larger than the sum of its proper divisors (25310059).

145671701 is an equidigital number, since it uses as much as digits as its factorization.

145671701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562483.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 145671701 is about 12069.4532187668. The cubic root of 145671701 is about 526.1687654524.

The spelling of 145671701 in words is "one hundred forty-five million, six hundred seventy-one thousand, seven hundred one".