145598107 has 4 divisors (see below), whose sum is σ = 145753776. Its totient is φ = 145442440.

The previous prime is 145598069. The next prime is 145598111. The reversal of 145598107 is 701895541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701895541 = 17 ⋅41287973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145598107 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 145598107.

It is not an unprimeable number, because it can be changed into a prime (145598147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76423 + ... + 78304.

It is an arithmetic number, because the mean of its divisors is an integer number (36438444).

Almost surely, 2^145598107 is an apocalyptic number.

145598107 is a deficient number, since it is larger than the sum of its proper divisors (155669).

145598107 is an equidigital number, since it uses as much as digits as its factorization.

145598107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155668.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 145598107 is about 12066.4040625200. The cubic root of 145598107 is about 526.0801429159.

The spelling of 145598107 in words is "one hundred forty-five million, five hundred ninety-eight thousand, one hundred seven".