145852719 has 4 divisors (see below), whose sum is σ = 194470296. Its totient is φ = 97235144.

The previous prime is 145852697. The next prime is 145852739. The reversal of 145852719 is 917258541.

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 145852719 - 2⁸ = 145852463 is a prime.

It is a super-2 number, since 2×145852719² = 42546031279385922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145852739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24308784 + ... + 24308789.

It is an arithmetic number, because the mean of its divisors is an integer number (48617574).

Almost surely, 2^145852719 is an apocalyptic number.

145852719 is a deficient number, since it is larger than the sum of its proper divisors (48617577).

145852719 is an equidigital number, since it uses as much as digits as its factorization.

145852719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48617576.

The product of its digits is 100800, while the sum is 42.

The square root of 145852719 is about 12076.9499046738. The cubic root of 145852719 is about 526.3866219793.

The spelling of 145852719 in words is "one hundred forty-five million, eight hundred fifty-two thousand, seven hundred nineteen".