45387524456781 has 32 divisors (see below), whose sum is σ = 66808858741632. Its totient is φ = 27235666748160.

The previous prime is 45387524456779. The next prime is 45387524456809. The reversal of 45387524456781 is 18765442578354.

It is not a de Polignac number, because 45387524456781 - 2¹ = 45387524456779 is a prime.

It is a super-2 number, since 2×45387524456781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45387524456881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67019410 + ... + 67693251.

It is an arithmetic number, because the mean of its divisors is an integer number (2087776835676).

Almost surely, 2^{45387524456781} is an apocalyptic number.

It is an amenable number.

45387524456781 is a deficient number, since it is larger than the sum of its proper divisors (21421334284851).

45387524456781 is a wasteful number, since it uses less digits than its factorization.

45387524456781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134712893.

The product of its digits is 903168000, while the sum is 69.

The spelling of 45387524456781 in words is "forty-five trillion, three hundred eighty-seven billion, five hundred twenty-four million, four hundred fifty-six thousand, seven hundred eighty-one".