145450511 has 4 divisors (see below), whose sum is σ = 146212224. Its totient is φ = 144688800.

The previous prime is 145450471. The next prime is 145450531. The reversal of 145450511 is 115054541.

145450511 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 145450511 - 2²⁶ = 78341647 is a prime.

It is a super-2 number, since 2×145450511² = 42311702300322242, 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 (145450531) 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, 380570 + ... + 380951.

It is an arithmetic number, because the mean of its divisors is an integer number (36553056).

Almost surely, 2^145450511 is an apocalyptic number.

145450511 is a deficient number, since it is larger than the sum of its proper divisors (761713).

145450511 is an equidigital number, since it uses as much as digits as its factorization.

145450511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761712.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 145450511 is about 12060.2865223012. The cubic root of 145450511 is about 525.9023164803.

The spelling of 145450511 in words is "one hundred forty-five million, four hundred fifty thousand, five hundred eleven".