145769075 has 6 divisors (see below), whose sum is σ = 180753684. Its totient is φ = 116615240.

The previous prime is 145769069. The next prime is 145769089. The reversal of 145769075 is 570967541.

It is not a de Polignac number, because 145769075 - 2²⁴ = 128991859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2915357 + ... + 2915406.

It is an arithmetic number, because the mean of its divisors is an integer number (30125614).

Almost surely, 2^145769075 is an apocalyptic number.

145769075 is a deficient number, since it is larger than the sum of its proper divisors (34984609).

145769075 is an equidigital number, since it uses as much as digits as its factorization.

145769075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5830773 (or 5830768 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The square root of 145769075 is about 12073.4864475842. The cubic root of 145769075 is about 526.2859782106.

The spelling of 145769075 in words is "one hundred forty-five million, seven hundred sixty-nine thousand, seventy-five".