145514893 has 2 divisors, whose sum is σ = 145514894. Its totient is φ = 145514892.

The previous prime is 145514879. The next prime is 145514903. The reversal of 145514893 is 398415541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96766569 + 48748324 = 9837^2 + 6982^2 .

It is a cyclic number.

It is not a de Polignac number, because 145514893 - 2¹³ = 145506701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145514693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72757446 + 72757447.

It is an arithmetic number, because the mean of its divisors is an integer number (72757447).

Almost surely, 2^145514893 is an apocalyptic number.

It is an amenable number.

145514893 is a deficient number, since it is larger than the sum of its proper divisors (1).

145514893 is an equidigital number, since it uses as much as digits as its factorization.

145514893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The square root of 145514893 is about 12062.9554007300. The cubic root of 145514893 is about 525.9798999100.

The spelling of 145514893 in words is "one hundred forty-five million, five hundred fourteen thousand, eight hundred ninety-three".