145093771 has 2 divisors, whose sum is σ = 145093772. Its totient is φ = 145093770.

The previous prime is 145093769. The next prime is 145093777. The reversal of 145093771 is 177390541.

145093771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 145093771 - 2¹ = 145093769 is a prime.

Together with 145093769, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 145093771.

It is not a weakly prime, because it can be changed into another prime (145093777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72546885 + 72546886.

It is an arithmetic number, because the mean of its divisors is an integer number (72546886).

Almost surely, 2^145093771 is an apocalyptic number.

145093771 is a deficient number, since it is larger than the sum of its proper divisors (1).

145093771 is an equidigital number, since it uses as much as digits as its factorization.

145093771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 37.

The square root of 145093771 is about 12045.4875783424. The cubic root of 145093771 is about 525.4720120841.

The spelling of 145093771 in words is "one hundred forty-five million, ninety-three thousand, seven hundred seventy-one".