145537753 has 2 divisors, whose sum is σ = 145537754. Its totient is φ = 145537752.

The previous prime is 145537751. The next prime is 145537759. The reversal of 145537753 is 357735541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130576329 + 14961424 = 11427^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 145537753 - 2¹ = 145537751 is a prime.

Together with 145537751, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (145537751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72768876 + 72768877.

It is an arithmetic number, because the mean of its divisors is an integer number (72768877).

Almost surely, 2^145537753 is an apocalyptic number.

It is an amenable number.

145537753 is a deficient number, since it is larger than the sum of its proper divisors (1).

145537753 is an equidigital number, since it uses as much as digits as its factorization.

145537753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220500, while the sum is 40.

The square root of 145537753 is about 12063.9028925137. The cubic root of 145537753 is about 526.0074418123.

The spelling of 145537753 in words is "one hundred forty-five million, five hundred thirty-seven thousand, seven hundred fifty-three".