145765574701 has 4 divisors (see below), whose sum is σ = 145774682332. Its totient is φ = 145756467072.

The previous prime is 145765574693. The next prime is 145765574723. The reversal of 145765574701 is 107475567541.

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 54534392676 + 91231182025 = 233526^2 + 302045^2 .

It is a cyclic number.

It is not a de Polignac number, because 145765574701 - 2³ = 145765574693 is a prime.

It is a super-2 number, since 2×145765574701² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145765574791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4529766 + ... + 4561831.

It is an arithmetic number, because the mean of its divisors is an integer number (36443670583).

Almost surely, 2^145765574701 is an apocalyptic number.

It is an amenable number.

145765574701 is a deficient number, since it is larger than the sum of its proper divisors (9107631).

145765574701 is an equidigital number, since it uses as much as digits as its factorization.

145765574701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9107630.

The product of its (nonzero) digits is 4116000, while the sum is 52.

The spelling of 145765574701 in words is "one hundred forty-five billion, seven hundred sixty-five million, five hundred seventy-four thousand, seven hundred one".