145498 has 8 divisors (see below), whose sum is σ = 227808. Its totient is φ = 69564.

The previous prime is 145487. The next prime is 145501. The reversal of 145498 is 894541.

It is a happy number.

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536 + ... + 1627.

It is an arithmetic number, because the mean of its divisors is an integer number (28476).

2¹⁴⁵⁴⁹⁸ is an apocalyptic number.

145498 is a deficient number, since it is larger than the sum of its proper divisors (82310).

145498 is a wasteful number, since it uses less digits than its factorization.

145498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3188.

The product of its digits is 5760, while the sum is 31.

The square root of 145498 is about 381.4420008337. The cubic root of 145498 is about 52.5959545241.

The spelling of 145498 in words is "one hundred forty-five thousand, four hundred ninety-eight".