148981247 has 8 divisors (see below), whose sum is σ = 151235280. Its totient is φ = 146733120.

The previous prime is 148981241. The next prime is 148981253. The reversal of 148981247 is 742189841.

It is an interprime number because it is at equal distance from previous prime (148981241) and next prime (148981253).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 148981247 - 2⁸ = 148980991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148981198 and 148981207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148981241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91097 + ... + 92717.

It is an arithmetic number, because the mean of its divisors is an integer number (18904410).

Almost surely, 2^148981247 is an apocalyptic number.

148981247 is a deficient number, since it is larger than the sum of its proper divisors (2254033).

148981247 is a wasteful number, since it uses less digits than its factorization.

148981247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953.

The product of its digits is 129024, while the sum is 44.

The square root of 148981247 is about 12205.7874387522. The cubic root of 148981247 is about 530.1236770825.

The spelling of 148981247 in words is "one hundred forty-eight million, nine hundred eighty-one thousand, two hundred forty-seven".