149348247 has 8 divisors (see below), whose sum is σ = 210844656. Its totient is φ = 93708672.

The previous prime is 149348237. The next prime is 149348257. The reversal of 149348247 is 742843941.

It is an interprime number because it is at equal distance from previous prime (149348237) and next prime (149348257).

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

It is not a de Polignac number, because 149348247 - 2⁶ = 149348183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149348199 and 149348208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149348237) 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, 1464148 + ... + 1464249.

It is an arithmetic number, because the mean of its divisors is an integer number (26355582).

Almost surely, 2^149348247 is an apocalyptic number.

149348247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

149348247 is a deficient number, since it is larger than the sum of its proper divisors (61496409).

149348247 is a wasteful number, since it uses less digits than its factorization.

149348247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928417.

The product of its digits is 193536, while the sum is 42.

The square root of 149348247 is about 12220.8120433955. The cubic root of 149348247 is about 530.5586218735.

The spelling of 149348247 in words is "one hundred forty-nine million, three hundred forty-eight thousand, two hundred forty-seven".