145874 has 4 divisors (see below), whose sum is σ = 218814. Its totient is φ = 72936.

The previous prime is 145861. The next prime is 145879. The reversal of 145874 is 478541.

145874 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 can be written as a sum of positive squares in only one way, i.e., 85849 + 60025 = 293^2 + 245^2 .

It is an alternating number because its digits alternate between odd and even.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145874.

It is not an unprimeable number, because it can be changed into a prime (145879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36467 + ... + 36470.

2¹⁴⁵⁸⁷⁴ is an apocalyptic number.

145874 is a deficient number, since it is larger than the sum of its proper divisors (72940).

145874 is an equidigital number, since it uses as much as digits as its factorization.

145874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72939.

The product of its digits is 4480, while the sum is 29.

The square root of 145874 is about 381.9345493668. The cubic root of 145874 is about 52.6412221980.

The spelling of 145874 in words is "one hundred forty-five thousand, eight hundred seventy-four".