149455 has 8 divisors (see below), whose sum is σ = 182304. Its totient is φ = 117600.

The previous prime is 149441. The next prime is 149459. The reversal of 149455 is 554941.

149455 = T₂₄₂ + T₂₄₃ + ... + T₂₄₆.

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

It is not a de Polignac number, because 149455 - 2⁵ = 149423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145 + ... + 565.

It is an arithmetic number, because the mean of its divisors is an integer number (22788).

2¹⁴⁹⁴⁵⁵ is an apocalyptic number.

149455 is a deficient number, since it is larger than the sum of its proper divisors (32849).

149455 is an equidigital number, since it uses as much as digits as its factorization.

149455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497.

The product of its digits is 3600, while the sum is 28.

The square root of 149455 is about 386.5941023865. The cubic root of 149455 is about 53.0685004866.

The spelling of 149455 in words is "one hundred forty-nine thousand, four hundred fifty-five".