146554 has 4 divisors (see below), whose sum is σ = 219834. Its totient is φ = 73276.

The previous prime is 146543. The next prime is 146563. The reversal of 146554 is 455641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 455641 = 53 ⋅8597.

It can be written as a sum of positive squares in only one way, i.e., 140625 + 5929 = 375^2 + 77^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36637 + ... + 36640.

2¹⁴⁶⁵⁵⁴ is an apocalyptic number.

146554 is a deficient number, since it is larger than the sum of its proper divisors (73280).

146554 is an equidigital number, since it uses as much as digits as its factorization.

146554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73279.

The product of its digits is 2400, while the sum is 25.

The square root of 146554 is about 382.8237192234. The cubic root of 146554 is about 52.7228921162.

The spelling of 146554 in words is "one hundred forty-six thousand, five hundred fifty-four".