145450071 has 24 divisors (see below), whose sum is σ = 232377600. Its totient is φ = 87086016.

The previous prime is 145450069. The next prime is 145450117. The reversal of 145450071 is 170054541.

145450071 = T₂₆₀ + T₂₆₁ + ... + T₉₆₁.

It is a happy number.

145450071 is a `hidden beast` number, since 145 + 450 + 0 + 71 = 666.

145450071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145450071 - 2¹ = 145450069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145450021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12471 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (9682400).

Almost surely, 2^145450071 is an apocalyptic number.

145450071 is a deficient number, since it is larger than the sum of its proper divisors (86927529).

145450071 is a wasteful number, since it uses less digits than its factorization.

145450071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33655 (or 33652 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 145450071 is about 12060.2682805981. The cubic root of 145450071 is about 525.9017861803.

The spelling of 145450071 in words is "one hundred forty-five million, four hundred fifty thousand, seventy-one".