145061545 has 16 divisors (see below), whose sum is σ = 177100560. Its totient is φ = 114048000.

The previous prime is 145061513. The next prime is 145061551. The reversal of 145061545 is 545160541.

145061545 = 8516² + 8517².

145061545 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 8 ways, for example, as 72522256 + 72539289 = 8516^2 + 8517^2 .

It is not a de Polignac number, because 145061545 - 2⁵ = 145061513 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79645 + ... + 81445.

It is an arithmetic number, because the mean of its divisors is an integer number (11068785).

Almost surely, 2^145061545 is an apocalyptic number.

145061545 is the 8517-th centered square number.

It is an amenable number.

145061545 is a deficient number, since it is larger than the sum of its proper divisors (32039015).

145061545 is a wasteful number, since it uses less digits than its factorization.

145061545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 145061545 is about 12044.1498247074. The cubic root of 145061545 is about 525.4331059460.

The spelling of 145061545 in words is "one hundred forty-five million, sixty-one thousand, five hundred forty-five".