145514137 has 2 divisors, whose sum is σ = 145514138. Its totient is φ = 145514136.

The previous prime is 145514111. The next prime is 145514147. The reversal of 145514137 is 731415541.

145514137 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., 75272976 + 70241161 = 8676^2 + 8381^2 .

It is a cyclic number.

It is not a de Polignac number, because 145514137 - 2¹⁹ = 144989849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145514099 and 145514108.

It is not a weakly prime, because it can be changed into another prime (145514147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72757068 + 72757069.

It is an arithmetic number, because the mean of its divisors is an integer number (72757069).

Almost surely, 2^145514137 is an apocalyptic number.

It is an amenable number.

145514137 is a deficient number, since it is larger than the sum of its proper divisors (1).

145514137 is an equidigital number, since it uses as much as digits as its factorization.

145514137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8400, while the sum is 31.

The square root of 145514137 is about 12062.9240650847. The cubic root of 145514137 is about 525.9789890261.

Adding to 145514137 its reverse (731415541), we get a palindrome (876929678).

The spelling of 145514137 in words is "one hundred forty-five million, five hundred fourteen thousand, one hundred thirty-seven".