145863675 has 18 divisors (see below), whose sum is σ = 261258452. Its totient is φ = 77793840.

The previous prime is 145863673. The next prime is 145863713. The reversal of 145863675 is 576368541.

145863675 is a `hidden beast` number, since 1 + 4 + 5 + 8 + 636 + 7 + 5 = 666.

It is not a de Polignac number, because 145863675 - 2¹ = 145863673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 145863675.

It is not an unprimeable number, because it can be changed into a prime (145863671) 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 17 ways as a sum of consecutive naturals, for example, 323917 + ... + 324366.

Almost surely, 2^145863675 is an apocalyptic number.

145863675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145863675 is a deficient number, since it is larger than the sum of its proper divisors (115394777).

145863675 is a wasteful number, since it uses less digits than its factorization.

145863675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648299 (or 648291 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 145863675 is about 12077.4034875051. The cubic root of 145863675 is about 526.3998018214.

The spelling of 145863675 in words is "one hundred forty-five million, eight hundred sixty-three thousand, six hundred seventy-five".