145446513 has 32 divisors (see below), whose sum is σ = 208896000. Its totient is φ = 89812800.

The previous prime is 145446487. The next prime is 145446541. The reversal of 145446513 is 315644541.

145446513 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 145446513 - 2⁶ = 145446449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145446563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536568 + ... + 536838.

It is an arithmetic number, because the mean of its divisors is an integer number (6528000).

Almost surely, 2^145446513 is an apocalyptic number.

It is an amenable number.

145446513 is a deficient number, since it is larger than the sum of its proper divisors (63449487).

145446513 is a wasteful number, since it uses less digits than its factorization.

145446513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533.

The product of its digits is 28800, while the sum is 33.

The square root of 145446513 is about 12060.1207705396. The cubic root of 145446513 is about 525.8974979417.

The spelling of 145446513 in words is "one hundred forty-five million, four hundred forty-six thousand, five hundred thirteen".