148280453 has 4 divisors (see below), whose sum is σ = 148327788. Its totient is φ = 148233120.

The previous prime is 148280401. The next prime is 148280459. The reversal of 148280453 is 354082841.

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

It can be written as a sum of positive squares in 2 ways, for example, as 138250564 + 10029889 = 11758^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 148280453 - 2¹⁶ = 148214917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148280459) 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, 18608 + ... + 25353.

It is an arithmetic number, because the mean of its divisors is an integer number (37081947).

Almost surely, 2^148280453 is an apocalyptic number.

It is an amenable number.

148280453 is a deficient number, since it is larger than the sum of its proper divisors (47335).

148280453 is an equidigital number, since it uses as much as digits as its factorization.

148280453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47334.

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 148280453 is about 12177.0461524953. The cubic root of 148280453 is about 529.2911527682.

The spelling of 148280453 in words is "one hundred forty-eight million, two hundred eighty thousand, four hundred fifty-three".