145850 has 12 divisors (see below), whose sum is σ = 271374. Its totient is φ = 58320.

The previous prime is 145829. The next prime is 145861. The reversal of 145850 is 58541.

It can be written as a sum of positive squares in 3 ways, for example, as 142129 + 3721 = 377^2 + 61^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1409 + ... + 1508.

2¹⁴⁵⁸⁵⁰ is an apocalyptic number.

145850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145850 is a deficient number, since it is larger than the sum of its proper divisors (125524).

145850 is a wasteful number, since it uses less digits than its factorization.

145850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 145850 is about 381.9031290786. The cubic root of 145850 is about 52.6383350976.

It can be divided in two parts, 1458 and 50, that multiplied together give a square (72900 = 270²).

The spelling of 145850 in words is "one hundred forty-five thousand, eight hundred fifty".