145712665105637 has 8 divisors (see below), whose sum is σ = 166948228033536. Its totient is φ = 124581969155952.

The previous prime is 145712665105613. The next prime is 145712665105669. The reversal of 145712665105637 is 736501566217541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145712665105637 - 2²⁶ = 145712597996773 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 (145712665105607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26216741573 + ... + 26216747130.

It is an arithmetic number, because the mean of its divisors is an integer number (20868528504192).

Almost surely, 2^{145712665105637} is an apocalyptic number.

It is an amenable number.

145712665105637 is a deficient number, since it is larger than the sum of its proper divisors (21235562927899).

145712665105637 is an equidigital number, since it uses as much as digits as its factorization.

145712665105637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52433489107.

The product of its (nonzero) digits is 31752000, while the sum is 59.

The spelling of 145712665105637 in words is "one hundred forty-five trillion, seven hundred twelve billion, six hundred sixty-five million, one hundred five thousand, six hundred thirty-seven".