148812477 has 8 divisors (see below), whose sum is σ = 216454560. Its totient is φ = 90189360.

The previous prime is 148812473. The next prime is 148812479. The reversal of 148812477 is 774218841.

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

It is not a de Polignac number, because 148812477 - 2² = 148812473 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148812473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2254702 + ... + 2254767.

It is an arithmetic number, because the mean of its divisors is an integer number (27056820).

Almost surely, 2^148812477 is an apocalyptic number.

It is an amenable number.

148812477 is a deficient number, since it is larger than the sum of its proper divisors (67642083).

148812477 is a wasteful number, since it uses less digits than its factorization.

148812477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4509483.

The product of its digits is 100352, while the sum is 42.

The square root of 148812477 is about 12198.8719560458. The cubic root of 148812477 is about 529.9234219489.

The spelling of 148812477 in words is "one hundred forty-eight million, eight hundred twelve thousand, four hundred seventy-seven".