45135821471 has 8 divisors (see below), whose sum is σ = 50175801984. Its totient is φ = 40319840160.

The previous prime is 45135821461. The next prime is 45135821539. The reversal of 45135821471 is 17412853154.

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

It is a cyclic number.

It is not a de Polignac number, because 45135821471 - 2⁶ = 45135821407 is a prime.

It is a super-3 number, since 3×45135821471³ (a number of 33 digits) contains 333 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 (45135821411) 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, 55999376 + ... + 56000181.

It is an arithmetic number, because the mean of its divisors is an integer number (6271975248).

Almost surely, 2^45135821471 is an apocalyptic number.

45135821471 is a deficient number, since it is larger than the sum of its proper divisors (5039980513).

45135821471 is a wasteful number, since it uses less digits than its factorization.

45135821471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111999601.

The product of its digits is 134400, while the sum is 41.

The spelling of 45135821471 in words is "forty-five billion, one hundred thirty-five million, eight hundred twenty-one thousand, four hundred seventy-one".