45321215577 has 8 divisors (see below), whose sum is σ = 65921768160. Its totient is φ = 27467403360.

The previous prime is 45321215557. The next prime is 45321215579. The reversal of 45321215577 is 77551212354.

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 45321215577 - 2⁷ = 45321215449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45321215579) 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, 686685052 + ... + 686685117.

It is an arithmetic number, because the mean of its divisors is an integer number (8240221020).

Almost surely, 2^45321215577 is an apocalyptic number.

It is an amenable number.

45321215577 is a deficient number, since it is larger than the sum of its proper divisors (20600552583).

45321215577 is a wasteful number, since it uses less digits than its factorization.

45321215577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373370183.

The product of its digits is 294000, while the sum is 42.

The spelling of 45321215577 in words is "forty-five billion, three hundred twenty-one million, two hundred fifteen thousand, five hundred seventy-seven".