148947331 has 8 divisors (see below), whose sum is σ = 163432080. Its totient is φ = 134895072.

The previous prime is 148947269. The next prime is 148947349. The reversal of 148947331 is 133749841.

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

It is not a de Polignac number, because 148947331 - 2¹¹ = 148945283 is a prime.

It is a super-2 number, since 2×148947331² = 44370614824047122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148947361) 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, 107401 + ... + 108778.

It is an arithmetic number, because the mean of its divisors is an integer number (20429010).

Almost surely, 2^148947331 is an apocalyptic number.

148947331 is a deficient number, since it is larger than the sum of its proper divisors (14484749).

148947331 is a wasteful number, since it uses less digits than its factorization.

148947331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216245.

The product of its digits is 72576, while the sum is 40.

The square root of 148947331 is about 12204.3980187472. The cubic root of 148947331 is about 530.0834459806.

The spelling of 148947331 in words is "one hundred forty-eight million, nine hundred forty-seven thousand, three hundred thirty-one".