148663231 has 4 divisors (see below), whose sum is σ = 148806000. Its totient is φ = 148520464.

The previous prime is 148663223. The next prime is 148663241. The reversal of 148663231 is 132366841.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148663231 - 2³ = 148663223 is a prime.

It is a super-2 number, since 2×148663231² = 44201512502718722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148663211) 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, 69811 + ... + 71908.

It is an arithmetic number, because the mean of its divisors is an integer number (37201500).

Almost surely, 2^148663231 is an apocalyptic number.

148663231 is a deficient number, since it is larger than the sum of its proper divisors (142769).

148663231 is a wasteful number, since it uses less digits than its factorization.

148663231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142768.

The product of its digits is 20736, while the sum is 34.

The square root of 148663231 is about 12192.7532165627. The cubic root of 148663231 is about 529.7462069574.

The spelling of 148663231 in words is "one hundred forty-eight million, six hundred sixty-three thousand, two hundred thirty-one".