148208719 has 4 divisors (see below), whose sum is σ = 151362144. Its totient is φ = 145055296.

The previous prime is 148208629. The next prime is 148208729. The reversal of 148208719 is 917802841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 917802841 = 509 ⋅1803149.

It is a cyclic number.

It is not a de Polignac number, because 148208719 - 2¹⁷ = 148077647 is a prime.

It is a super-2 number, since 2×148208719² = 43931648775241922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148208729) 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, 1576642 + ... + 1576735.

It is an arithmetic number, because the mean of its divisors is an integer number (37840536).

Almost surely, 2^148208719 is an apocalyptic number.

148208719 is a deficient number, since it is larger than the sum of its proper divisors (3153425).

148208719 is an equidigital number, since it uses as much as digits as its factorization.

148208719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153424.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 148208719 is about 12174.1003363698. The cubic root of 148208719 is about 529.2057868393.

The spelling of 148208719 in words is "one hundred forty-eight million, two hundred eight thousand, seven hundred nineteen".