145299679 has 4 divisors (see below), whose sum is σ = 166056784. Its totient is φ = 124542576.

The previous prime is 145299677. The next prime is 145299689. The reversal of 145299679 is 976992541.

145299679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 145299679 - 2¹ = 145299677 is a prime.

It is a super-2 number, since 2×145299679² = 42223993435006082, 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 (145299673) 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, 10378542 + ... + 10378555.

It is an arithmetic number, because the mean of its divisors is an integer number (41514196).

Almost surely, 2^145299679 is an apocalyptic number.

145299679 is a deficient number, since it is larger than the sum of its proper divisors (20757105).

145299679 is an equidigital number, since it uses as much as digits as its factorization.

145299679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20757104.

The product of its digits is 1224720, while the sum is 52.

The square root of 145299679 is about 12054.0316492035. The cubic root of 145299679 is about 525.7204669227.

The spelling of 145299679 in words is "one hundred forty-five million, two hundred ninety-nine thousand, six hundred seventy-nine".