149453 has 4 divisors (see below), whose sum is σ = 151008. Its totient is φ = 147900.

The previous prime is 149441. The next prime is 149459. The reversal of 149453 is 354941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 149453 - 2⁸ = 149197 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 149453.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623 + ... + 828.

It is an arithmetic number, because the mean of its divisors is an integer number (37752).

2¹⁴⁹⁴⁵³ is an apocalyptic number.

It is an amenable number.

149453 is a deficient number, since it is larger than the sum of its proper divisors (1555).

149453 is a wasteful number, since it uses less digits than its factorization.

149453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554.

The product of its digits is 2160, while the sum is 26.

The square root of 149453 is about 386.5915156855. The cubic root of 149453 is about 53.0682637654.

The spelling of 149453 in words is "one hundred forty-nine thousand, four hundred fifty-three".