145918601 has 8 divisors (see below), whose sum is σ = 152396160. Its totient is φ = 139452192.

The previous prime is 145918589. The next prime is 145918603. The reversal of 145918601 is 106819541.

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 145918601 - 2¹⁴ = 145902217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145918603) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 35036 + ... + 38978.

It is an arithmetic number, because the mean of its divisors is an integer number (19049520).

Almost surely, 2^145918601 is an apocalyptic number.

It is an amenable number.

145918601 is a deficient number, since it is larger than the sum of its proper divisors (6477559).

145918601 is a wasteful number, since it uses less digits than its factorization.

145918601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 145918601 is about 12079.6771893954. The cubic root of 145918601 is about 526.4658667210.

The spelling of 145918601 in words is "one hundred forty-five million, nine hundred eighteen thousand, six hundred one".