148288815 has 12 divisors (see below), whose sum is σ = 257034024. Its totient is φ = 79087344.

The previous prime is 148288813. The next prime is 148288817. The reversal of 148288815 is 518882841.

It is an interprime number because it is at equal distance from previous prime (148288813) and next prime (148288817).

It is not a de Polignac number, because 148288815 - 2¹ = 148288813 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3295307 = 148288815 / (1 + 4 + 8 + 2 + 8 + 8 + 8 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148288813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1647609 + ... + 1647698.

It is an arithmetic number, because the mean of its divisors is an integer number (21419502).

Almost surely, 2^148288815 is an apocalyptic number.

148288815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

148288815 is a deficient number, since it is larger than the sum of its proper divisors (108745209).

148288815 is a wasteful number, since it uses less digits than its factorization.

148288815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295318 (or 3295315 counting only the distinct ones).

The product of its digits is 163840, while the sum is 45.

The square root of 148288815 is about 12177.3894985748. The cubic root of 148288815 is about 529.3011020441.

The spelling of 148288815 in words is "one hundred forty-eight million, two hundred eighty-eight thousand, eight hundred fifteen".