145164737 has 2 divisors, whose sum is σ = 145164738. Its totient is φ = 145164736.

The previous prime is 145164713. The next prime is 145164743. The reversal of 145164737 is 737461541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129868816 + 15295921 = 11396^2 + 3911^2 .

It is a cyclic number.

It is not a de Polignac number, because 145164737 - 2²² = 140970433 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145164737.

It is not a weakly prime, because it can be changed into another prime (145164787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72582368 + 72582369.

It is an arithmetic number, because the mean of its divisors is an integer number (72582369).

Almost surely, 2^145164737 is an apocalyptic number.

It is an amenable number.

145164737 is a deficient number, since it is larger than the sum of its proper divisors (1).

145164737 is an equidigital number, since it uses as much as digits as its factorization.

145164737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 38.

The square root of 145164737 is about 12048.4329686478. The cubic root of 145164737 is about 525.5576683429.

The spelling of 145164737 in words is "one hundred forty-five million, one hundred sixty-four thousand, seven hundred thirty-seven".