145526445 has 24 divisors (see below), whose sum is σ = 254568600. Its totient is φ = 76899456.

The previous prime is 145526417. The next prime is 145526471. The reversal of 145526445 is 544625541.

145526445 is a `hidden beast` number, since 1 + 4 + 5 + 5 + 2 + 644 + 5 = 666.

145526445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1454436 + 144072009 = 1206^2 + 12003^2 .

It is not a de Polignac number, because 145526445 - 2⁵ = 145526413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9930 + ... + 19739.

It is an arithmetic number, because the mean of its divisors is an integer number (10607025).

Almost surely, 2^145526445 is an apocalyptic number.

145526445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145526445 is a deficient number, since it is larger than the sum of its proper divisors (109042155).

145526445 is a wasteful number, since it uses less digits than its factorization.

145526445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29789 (or 29786 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 145526445 is about 12063.4342125284. The cubic root of 145526445 is about 525.9938182082.

The spelling of 145526445 in words is "one hundred forty-five million, five hundred twenty-six thousand, four hundred forty-five".