145368637 has 2 divisors, whose sum is σ = 145368638. Its totient is φ = 145368636.

The previous prime is 145368617. The next prime is 145368653. The reversal of 145368637 is 736863541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88003161 + 57365476 = 9381^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 145368637 - 2²³ = 136980029 is a prime.

It is a super-2 number, since 2×145368637² = 42264081246475538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145368593 and 145368602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145368617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72684318 + 72684319.

It is an arithmetic number, because the mean of its divisors is an integer number (72684319).

Almost surely, 2^145368637 is an apocalyptic number.

It is an amenable number.

145368637 is a deficient number, since it is larger than the sum of its proper divisors (1).

145368637 is an equidigital number, since it uses as much as digits as its factorization.

145368637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 145368637 is about 12056.8916806945. The cubic root of 145368637 is about 525.8036212665.

The spelling of 145368637 in words is "one hundred forty-five million, three hundred sixty-eight thousand, six hundred thirty-seven".