45204500381 has 6 divisors (see below), whose sum is σ = 45392907546. Its totient is φ = 45016872000.

The previous prime is 45204500309. The next prime is 45204500399. The reversal of 45204500381 is 18300540254.

It can be written as a sum of positive squares in 3 ways, for example, as 18931008100 + 26273492281 = 137590^2 + 162091^2 .

It is not a de Polignac number, because 45204500381 - 2²⁶ = 45137391517 is a prime.

It is a super-2 number, since 2×45204500381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45204500581) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331070 + ... + 447231.

It is an arithmetic number, because the mean of its divisors is an integer number (7565484591).

Almost surely, 2^45204500381 is an apocalyptic number.

It is an amenable number.

45204500381 is a deficient number, since it is larger than the sum of its proper divisors (188407165).

45204500381 is an frugal number, since it uses more digits than its factorization.

45204500381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778783 (or 778542 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 45204500381 in words is "forty-five billion, two hundred four million, five hundred thousand, three hundred eighty-one".