145974 has 8 divisors (see below), whose sum is σ = 291960. Its totient is φ = 48656.

The previous prime is 145969. The next prime is 145987. The reversal of 145974 is 479541.

It is a happy number.

145974 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

145974 is an admirable number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145974.

It is an unprimeable number.

145974 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12159 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (36495).

2¹⁴⁵⁹⁷⁴ is an apocalyptic number.

145974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145974 is a wasteful number, since it uses less digits than its factorization.

145974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24334.

The product of its digits is 5040, while the sum is 30.

The square root of 145974 is about 382.0654394210. The cubic root of 145974 is about 52.6532483753.

The spelling of 145974 in words is "one hundred forty-five thousand, nine hundred seventy-four".