145307282 has 4 divisors (see below), whose sum is σ = 217960926. Its totient is φ = 72653640.

The previous prime is 145307273. The next prime is 145307293. The reversal of 145307282 is 282703541.

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

It can be written as a sum of positive squares in only one way, i.e., 145178401 + 128881 = 12049^2 + 359^2 .

It is a super-2 number, since 2×145307282² = 42228412404455048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36326819 + ... + 36326822.

Almost surely, 2^145307282 is an apocalyptic number.

145307282 is a deficient number, since it is larger than the sum of its proper divisors (72653644).

145307282 is an equidigital number, since it uses as much as digits as its factorization.

145307282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72653643.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 145307282 is about 12054.3470167405. The cubic root of 145307282 is about 525.7296364382.

It can be divided in two parts, 14530 and 7282, that added together give a palindrome (21812).

The spelling of 145307282 in words is "one hundred forty-five million, three hundred seven thousand, two hundred eighty-two".