145942 has 8 divisors (see below), whose sum is σ = 224136. Its totient is φ = 71232.

The previous prime is 145933. The next prime is 145949. The reversal of 145942 is 249541.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763 + ... + 934.

It is an arithmetic number, because the mean of its divisors is an integer number (28017).

2¹⁴⁵⁹⁴² is an apocalyptic number.

145942 is a deficient number, since it is larger than the sum of its proper divisors (78194).

145942 is a wasteful number, since it uses less digits than its factorization.

145942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

The product of its digits is 1440, while the sum is 25.

The square root of 145942 is about 382.0235594829. The cubic root of 145942 is about 52.6494005963.

The spelling of 145942 in words is "one hundred forty-five thousand, nine hundred forty-two".