145494 has 24 divisors (see below), whose sum is σ = 322920. Its totient is φ = 47328.

The previous prime is 145487. The next prime is 145501. The reversal of 145494 is 494541.

It is an interprime number because it is at equal distance from previous prime (145487) and next prime (145501).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 994 + ... + 1130.

It is an arithmetic number, because the mean of its divisors is an integer number (13455).

2¹⁴⁵⁴⁹⁴ is an apocalyptic number.

145494 is an abundant number, since it is smaller than the sum of its proper divisors (177426).

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

145494 is a wasteful number, since it uses less digits than its factorization.

145494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 201 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 145494 is about 381.4367575366. The cubic root of 145494 is about 52.5954725341.

The spelling of 145494 in words is "one hundred forty-five thousand, four hundred ninety-four".