145607741 has 2 divisors, whose sum is σ = 145607742. Its totient is φ = 145607740.

The previous prime is 145607711. The next prime is 145607743. The reversal of 145607741 is 147706541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94984516 + 50623225 = 9746^2 + 7115^2 .

It is a cyclic number.

It is not a de Polignac number, because 145607741 - 2⁶ = 145607677 is a prime.

It is a super-2 number, since 2×145607741² = 42403228478246162, which contains 22 as substring.

Together with 145607743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145607743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72803870 + 72803871.

It is an arithmetic number, because the mean of its divisors is an integer number (72803871).

Almost surely, 2^145607741 is an apocalyptic number.

It is an amenable number.

145607741 is a deficient number, since it is larger than the sum of its proper divisors (1).

145607741 is an equidigital number, since it uses as much as digits as its factorization.

145607741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 145607741 is about 12066.8032634994. The cubic root of 145607741 is about 526.0917459612.

The spelling of 145607741 in words is "one hundred forty-five million, six hundred seven thousand, seven hundred forty-one".