148220719 has 8 divisors (see below), whose sum is σ = 149847152. Its totient is φ = 146603520.

The previous prime is 148220687. The next prime is 148220749. The reversal of 148220719 is 917022841.

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

It is a cyclic number.

It is not a de Polignac number, because 148220719 - 2⁵ = 148220687 is a prime.

It is a super-3 number, since 3×148220719³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148220749) 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, 32812 + ... + 37054.

It is an arithmetic number, because the mean of its divisors is an integer number (18730894).

Almost surely, 2^148220719 is an apocalyptic number.

148220719 is a deficient number, since it is larger than the sum of its proper divisors (1626433).

148220719 is a wasteful number, since it uses less digits than its factorization.

148220719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 148220719 is about 12174.5931759546. The cubic root of 148220719 is about 529.2200691705.

It can be divided in two parts, 1482 and 20719, that added together give a square (22201 = 149²).

The spelling of 148220719 in words is "one hundred forty-eight million, two hundred twenty thousand, seven hundred nineteen".