145790 has 16 divisors (see below), whose sum is σ = 267840. Its totient is φ = 57120.

The previous prime is 145777. The next prime is 145799. The reversal of 145790 is 97541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491 + ... + 729.

It is an arithmetic number, because the mean of its divisors is an integer number (16740).

2¹⁴⁵⁷⁹⁰ is an apocalyptic number.

145790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145790 is a deficient number, since it is larger than the sum of its proper divisors (122050).

145790 is a wasteful number, since it uses less digits than its factorization.

145790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 145790 is about 381.8245670462. The cubic root of 145790 is about 52.6311159608.

The spelling of 145790 in words is "one hundred forty-five thousand, seven hundred ninety".