148078453 has 4 divisors (see below), whose sum is σ = 148896748. Its totient is φ = 147260160.

The previous prime is 148078421. The next prime is 148078481. The reversal of 148078453 is 354870841.

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 73307844 + 74770609 = 8562^2 + 8647^2 .

It is a cyclic number.

It is not a de Polignac number, because 148078453 - 2⁵ = 148078421 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 (148078753) 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, 408876 + ... + 409237.

It is an arithmetic number, because the mean of its divisors is an integer number (37224187).

Almost surely, 2^148078453 is an apocalyptic number.

It is an amenable number.

148078453 is a deficient number, since it is larger than the sum of its proper divisors (818295).

148078453 is an equidigital number, since it uses as much as digits as its factorization.

148078453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818294.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 148078453 is about 12168.7490318438. The cubic root of 148078453 is about 529.0506953606.

The spelling of 148078453 in words is "one hundred forty-eight million, seventy-eight thousand, four hundred fifty-three".