145887283 has 2 divisors, whose sum is σ = 145887284. Its totient is φ = 145887282.

The previous prime is 145887253. The next prime is 145887397. The reversal of 145887283 is 382788541.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145887283 - 2¹⁷ = 145756211 is a prime.

It is a super-2 number, since 2×145887283² = 42566198682244178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (145887223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72943641 + 72943642.

It is an arithmetic number, because the mean of its divisors is an integer number (72943642).

Almost surely, 2^145887283 is an apocalyptic number.

145887283 is a deficient number, since it is larger than the sum of its proper divisors (1).

145887283 is an equidigital number, since it uses as much as digits as its factorization.

145887283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 430080, while the sum is 46.

The square root of 145887283 is about 12078.3808103570. The cubic root of 145887283 is about 526.4281995156.

The spelling of 145887283 in words is "one hundred forty-five million, eight hundred eighty-seven thousand, two hundred eighty-three".