145201727 has 8 divisors (see below), whose sum is σ = 162683472. Its totient is φ = 128433600.

The previous prime is 145201703. The next prime is 145201759. The reversal of 145201727 is 727102541.

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 145201727 - 2¹² = 145197631 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145201727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145201027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177974 + ... + 178787.

It is an arithmetic number, because the mean of its divisors is an integer number (20335434).

Almost surely, 2^145201727 is an apocalyptic number.

145201727 is a deficient number, since it is larger than the sum of its proper divisors (17481745).

145201727 is a wasteful number, since it uses less digits than its factorization.

145201727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356809.

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 145201727 is about 12049.9679252685. The cubic root of 145201727 is about 525.6023043603.

The spelling of 145201727 in words is "one hundred forty-five million, two hundred one thousand, seven hundred twenty-seven".