148791513 has 8 divisors (see below), whose sum is σ = 213649408. Its totient is φ = 91563984.

The previous prime is 148791493. The next prime is 148791521. The reversal of 148791513 is 315197841.

148791513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 148791513 - 2¹³ = 148783321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 3815167 = 148791513 / (1 + 4 + 8 + 7 + 9 + 1 + 5 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148791563) 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, 1907545 + ... + 1907622.

It is an arithmetic number, because the mean of its divisors is an integer number (26706176).

Almost surely, 2^148791513 is an apocalyptic number.

148791513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

148791513 is a deficient number, since it is larger than the sum of its proper divisors (64857895).

148791513 is a wasteful number, since it uses less digits than its factorization.

148791513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815183.

The product of its digits is 30240, while the sum is 39.

The square root of 148791513 is about 12198.0126660042. The cubic root of 148791513 is about 529.8985364094.

The spelling of 148791513 in words is "one hundred forty-eight million, seven hundred ninety-one thousand, five hundred thirteen".