148645697 has 4 divisors (see below), whose sum is σ = 149000880. Its totient is φ = 148290516.

The previous prime is 148645691. The next prime is 148645699. The reversal of 148645697 is 796546841.

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 148645697 - 2⁴ = 148645681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148645691) 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, 176963 + ... + 177800.

It is an arithmetic number, because the mean of its divisors is an integer number (37250220).

Almost surely, 2^148645697 is an apocalyptic number.

It is an amenable number.

148645697 is a deficient number, since it is larger than the sum of its proper divisors (355183).

148645697 is an equidigital number, since it uses as much as digits as its factorization.

148645697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355182.

The product of its digits is 1451520, while the sum is 50.

The square root of 148645697 is about 12192.0341616975. The cubic root of 148645697 is about 529.7253792671.

The spelling of 148645697 in words is "one hundred forty-eight million, six hundred forty-five thousand, six hundred ninety-seven".