148897247 has 4 divisors (see below), whose sum is σ = 153700416. Its totient is φ = 144094080.

The previous prime is 148897219. The next prime is 148897277. The reversal of 148897247 is 742798841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742798841 = 181 ⋅4103861.

It is a cyclic number.

It is not a de Polignac number, because 148897247 - 2⁶ = 148897183 is a prime.

It is a super-3 number, since 3×148897247³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148897195 and 148897204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148897207) 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, 2401538 + ... + 2401599.

It is an arithmetic number, because the mean of its divisors is an integer number (38425104).

Almost surely, 2^148897247 is an apocalyptic number.

148897247 is a deficient number, since it is larger than the sum of its proper divisors (4803169).

148897247 is an equidigital number, since it uses as much as digits as its factorization.

148897247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803168.

The product of its digits is 903168, while the sum is 50.

The square root of 148897247 is about 12202.3459629696. The cubic root of 148897247 is about 530.0240252548.

The spelling of 148897247 in words is "one hundred forty-eight million, eight hundred ninety-seven thousand, two hundred forty-seven".