145587283 has 4 divisors (see below), whose sum is σ = 147430240. Its totient is φ = 143744328.

The previous prime is 145587271. The next prime is 145587287. The reversal of 145587283 is 382785541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382785541 = 313 ⋅1222957.

It is a cyclic number.

It is not a de Polignac number, because 145587283 - 2⁵ = 145587251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145587287) 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, 921360 + ... + 921517.

It is an arithmetic number, because the mean of its divisors is an integer number (36857560).

Almost surely, 2^145587283 is an apocalyptic number.

145587283 is a deficient number, since it is larger than the sum of its proper divisors (1842957).

145587283 is an equidigital number, since it uses as much as digits as its factorization.

145587283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1842956.

The product of its digits is 268800, while the sum is 43.

The square root of 145587283 is about 12065.9555361355. The cubic root of 145587283 is about 526.0671060417.

The spelling of 145587283 in words is "one hundred forty-five million, five hundred eighty-seven thousand, two hundred eighty-three".