145137607 has 2 divisors, whose sum is σ = 145137608. Its totient is φ = 145137606.

The previous prime is 145137589. The next prime is 145137617. The reversal of 145137607 is 706731541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145137607 - 2¹⁹ = 144613319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145137617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72568803 + 72568804.

It is an arithmetic number, because the mean of its divisors is an integer number (72568804).

Almost surely, 2^145137607 is an apocalyptic number.

145137607 is a deficient number, since it is larger than the sum of its proper divisors (1).

145137607 is an equidigital number, since it uses as much as digits as its factorization.

145137607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 145137607 is about 12047.3070434849. The cubic root of 145137607 is about 525.5249256163.

The spelling of 145137607 in words is "one hundred forty-five million, one hundred thirty-seven thousand, six hundred seven".