145751387437 has 4 divisors (see below), whose sum is σ = 146593881180. Its totient is φ = 144908893696.

The previous prime is 145751387387. The next prime is 145751387443. The reversal of 145751387437 is 734783157541.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 132579004996 + 13172382441 = 364114^2 + 114771^2 .

It is a cyclic number.

It is not a de Polignac number, because 145751387437 - 2³⁵ = 111391649069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145751387447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421246612 + ... + 421246957.

It is an arithmetic number, because the mean of its divisors is an integer number (36648470295).

Almost surely, 2^145751387437 is an apocalyptic number.

It is an amenable number.

145751387437 is a deficient number, since it is larger than the sum of its proper divisors (842493743).

145751387437 is an equidigital number, since it uses as much as digits as its factorization.

145751387437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842493742.

The product of its digits is 9878400, while the sum is 55.

The spelling of 145751387437 in words is "one hundred forty-five billion, seven hundred fifty-one million, three hundred eighty-seven thousand, four hundred thirty-seven".