145300723 has 4 divisors (see below), whose sum is σ = 145345320. Its totient is φ = 145256128.

The previous prime is 145300703. The next prime is 145300763. The reversal of 145300723 is 327003541.

145300723 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 145300723 - 2²⁵ = 111746291 is a prime.

It is a super-2 number, since 2×145300723² = 42224600208645458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (145300703) 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, 16990 + ... + 24067.

It is an arithmetic number, because the mean of its divisors is an integer number (36336330).

Almost surely, 2^145300723 is an apocalyptic number.

145300723 is a deficient number, since it is larger than the sum of its proper divisors (44597).

145300723 is an equidigital number, since it uses as much as digits as its factorization.

145300723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44596.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 145300723 is about 12054.0749541390. The cubic root of 145300723 is about 525.7217260465.

The spelling of 145300723 in words is "one hundred forty-five million, three hundred thousand, seven hundred twenty-three".