145079719 has 4 divisors (see below), whose sum is σ = 145119600. Its totient is φ = 145039840.

The previous prime is 145079657. The next prime is 145079729. The reversal of 145079719 is 917970541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145079719 - 2¹¹ = 145077671 is a prime.

It is a super-2 number, since 2×145079719² = 42096249730237922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145079729) 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, 13867 + ... + 21964.

It is an arithmetic number, because the mean of its divisors is an integer number (36279900).

Almost surely, 2^145079719 is an apocalyptic number.

145079719 is a deficient number, since it is larger than the sum of its proper divisors (39881).

145079719 is an equidigital number, since it uses as much as digits as its factorization.

145079719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39880.

The product of its (nonzero) digits is 79380, while the sum is 43.

The square root of 145079719 is about 12044.9042752527. The cubic root of 145079719 is about 525.4550479488.

The spelling of 145079719 in words is "one hundred forty-five million, seventy-nine thousand, seven hundred nineteen".