145154 has 4 divisors (see below), whose sum is σ = 217734. Its totient is φ = 72576.

The previous prime is 145139. The next prime is 145177. The reversal of 145154 is 451541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 142129 + 3025 = 377^2 + 55^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 145154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36287 + ... + 36290.

2¹⁴⁵¹⁵⁴ is an apocalyptic number.

145154 is a deficient number, since it is larger than the sum of its proper divisors (72580).

145154 is an equidigital number, since it uses as much as digits as its factorization.

145154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72579.

The product of its digits is 400, while the sum is 20.

The square root of 145154 is about 380.9908135375. The cubic root of 145154 is about 52.5544710532.

Adding to 145154 its reverse (451541), we get a palindrome (596695).

The spelling of 145154 in words is "one hundred forty-five thousand, one hundred fifty-four".