145452713 has 32 divisors (see below), whose sum is σ = 181174272. Its totient is φ = 114048000.

The previous prime is 145452709. The next prime is 145452721. The reversal of 145452713 is 317254541.

It is a cyclic number.

It is not a de Polignac number, because 145452713 - 2² = 145452709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145452713.

It is not an unprimeable number, because it can be changed into a prime (145452793) 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, 753545 + ... + 753737.

It is an arithmetic number, because the mean of its divisors is an integer number (5661696).

Almost surely, 2^145452713 is an apocalyptic number.

It is an amenable number.

145452713 is a deficient number, since it is larger than the sum of its proper divisors (35721559).

145452713 is a wasteful number, since it uses less digits than its factorization.

145452713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405.

The product of its digits is 16800, while the sum is 32.

The square root of 145452713 is about 12060.3778133191. The cubic root of 145452713 is about 525.9049703751.

The spelling of 145452713 in words is "one hundred forty-five million, four hundred fifty-two thousand, seven hundred thirteen".