145001145 has 8 divisors (see below), whose sum is σ = 232001856. Its totient is φ = 77333936.

The previous prime is 145001089. The next prime is 145001191. The reversal of 145001145 is 541100541.

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 145001145 - 2⁶ = 145001081 is a prime.

It is a super-2 number, since 2×145001145² = 42050664102622050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4833357 + ... + 4833386.

It is an arithmetic number, because the mean of its divisors is an integer number (29000232).

Almost surely, 2^145001145 is an apocalyptic number.

145001145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145001145 is a deficient number, since it is larger than the sum of its proper divisors (87000711).

145001145 is an equidigital number, since it uses as much as digits as its factorization.

145001145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9666751.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 145001145 is about 12041.6421222357. The cubic root of 145001145 is about 525.3601700866.

Adding to 145001145 its reverse (541100541), we get a palindrome (686101686).

The spelling of 145001145 in words is "one hundred forty-five million, one thousand, one hundred forty-five".