145728475 has 6 divisors (see below), whose sum is σ = 180703340. Its totient is φ = 116582760.

The previous prime is 145728469. The next prime is 145728481. The reversal of 145728475 is 574827541.

It is an interprime number because it is at equal distance from previous prime (145728469) and next prime (145728481).

It is not a de Polignac number, because 145728475 - 2¹⁵ = 145695707 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2914545 + ... + 2914594.

Almost surely, 2^145728475 is an apocalyptic number.

145728475 is a deficient number, since it is larger than the sum of its proper divisors (34974865).

145728475 is an equidigital number, since it uses as much as digits as its factorization.

145728475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829149 (or 5829144 counting only the distinct ones).

The product of its digits is 313600, while the sum is 43.

The square root of 145728475 is about 12071.8049603197. The cubic root of 145728475 is about 526.2371128053.

The spelling of 145728475 in words is "one hundred forty-five million, seven hundred twenty-eight thousand, four hundred seventy-five".