145948755437 has 2 divisors, whose sum is σ = 145948755438. Its totient is φ = 145948755436.

The previous prime is 145948755427. The next prime is 145948755451. The reversal of 145948755437 is 734557849541.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142728306436 + 3220449001 = 377794^2 + 56749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145948755437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 145948755437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145948755427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72974377718 + 72974377719.

It is an arithmetic number, because the mean of its divisors is an integer number (72974377719).

Almost surely, 2^145948755437 is an apocalyptic number.

It is an amenable number.

145948755437 is a deficient number, since it is larger than the sum of its proper divisors (1).

145948755437 is an equidigital number, since it uses as much as digits as its factorization.

145948755437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672000, while the sum is 62.

The spelling of 145948755437 in words is "one hundred forty-five billion, nine hundred forty-eight million, seven hundred fifty-five thousand, four hundred thirty-seven".