145362287 has 4 divisors (see below), whose sum is σ = 166128336. Its totient is φ = 124596240.

The previous prime is 145362271. The next prime is 145362313. The reversal of 145362287 is 782263541.

It is a happy number.

145362287 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145362287 - 2⁴ = 145362271 is a prime.

It is a super-2 number, since 2×145362287² = 42260388963740738, which contains 22 as substring.

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 145362287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145362227) 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, 10383014 + ... + 10383027.

It is an arithmetic number, because the mean of its divisors is an integer number (41532084).

Almost surely, 2^145362287 is an apocalyptic number.

145362287 is a deficient number, since it is larger than the sum of its proper divisors (20766049).

145362287 is an equidigital number, since it uses as much as digits as its factorization.

145362287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20766048.

The product of its digits is 80640, while the sum is 38.

The square root of 145362287 is about 12056.6283429490. The cubic root of 145362287 is about 525.7959650951.

The spelling of 145362287 in words is "one hundred forty-five million, three hundred sixty-two thousand, two hundred eighty-seven".