145602761 has 2 divisors, whose sum is σ = 145602762. Its totient is φ = 145602760.

The previous prime is 145602749. The next prime is 145602763. The reversal of 145602761 is 167206541.

145602761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109830400 + 35772361 = 10480^2 + 5981^2 .

It is a cyclic number.

It is not a de Polignac number, because 145602761 - 2⁶ = 145602697 is a prime.

Together with 145602763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145602763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72801380 + 72801381.

It is an arithmetic number, because the mean of its divisors is an integer number (72801381).

Almost surely, 2^145602761 is an apocalyptic number.

It is an amenable number.

145602761 is a deficient number, since it is larger than the sum of its proper divisors (1).

145602761 is an equidigital number, since it uses as much as digits as its factorization.

145602761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 145602761 is about 12066.5969104798. The cubic root of 145602761 is about 526.0857481877.

The spelling of 145602761 in words is "one hundred forty-five million, six hundred two thousand, seven hundred sixty-one".