145442283 has 32 divisors (see below), whose sum is σ = 235622400. Its totient is φ = 77949216.

The previous prime is 145442281. The next prime is 145442309. The reversal of 145442283 is 382244541.

It is not a de Polignac number, because 145442283 - 2¹ = 145442281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145442281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39328 + ... + 42866.

It is an arithmetic number, because the mean of its divisors is an integer number (7363200).

Almost surely, 2^145442283 is an apocalyptic number.

145442283 is a deficient number, since it is larger than the sum of its proper divisors (90180117).

145442283 is a wasteful number, since it uses less digits than its factorization.

145442283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671.

The product of its digits is 30720, while the sum is 33.

The square root of 145442283 is about 12059.9453978863. The cubic root of 145442283 is about 525.8923996919.

The spelling of 145442283 in words is "one hundred forty-five million, four hundred forty-two thousand, two hundred eighty-three".