145807037 has 2 divisors, whose sum is σ = 145807038. Its totient is φ = 145807036.

The previous prime is 145807031. The next prime is 145807069. The reversal of 145807037 is 730708541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130393561 + 15413476 = 11419^2 + 3926^2 .

It is an emirp because it is prime and its reverse (730708541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 145807037 - 2¹⁴ = 145790653 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 145806988 and 145807006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145807031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72903518 + 72903519.

It is an arithmetic number, because the mean of its divisors is an integer number (72903519).

Almost surely, 2^145807037 is an apocalyptic number.

It is an amenable number.

145807037 is a deficient number, since it is larger than the sum of its proper divisors (1).

145807037 is an equidigital number, since it uses as much as digits as its factorization.

145807037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 145807037 is about 12075.0584677674. The cubic root of 145807037 is about 526.3316603605.

The spelling of 145807037 in words is "one hundred forty-five million, eight hundred seven thousand, thirty-seven".