145522713 has 16 divisors (see below), whose sum is σ = 222708096. Its totient is φ = 82796160.

The previous prime is 145522673. The next prime is 145522717. The reversal of 145522713 is 317225541.

It is not a de Polignac number, because 145522713 - 2⁸ = 145522457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145522717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9978 + ... + 19763.

It is an arithmetic number, because the mean of its divisors is an integer number (13919256).

Almost surely, 2^145522713 is an apocalyptic number.

It is an amenable number.

145522713 is a deficient number, since it is larger than the sum of its proper divisors (77185383).

145522713 is a wasteful number, since it uses less digits than its factorization.

145522713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29984.

The product of its digits is 8400, while the sum is 30.

The square root of 145522713 is about 12063.2795292159. The cubic root of 145522713 is about 525.9893218302.

The spelling of 145522713 in words is "one hundred forty-five million, five hundred twenty-two thousand, seven hundred thirteen".