45091230477 has 4 divisors (see below), whose sum is σ = 60121640640. Its totient is φ = 30060820316.

The previous prime is 45091230473. The next prime is 45091230479. The reversal of 45091230477 is 77403219054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45091230477 - 2² = 45091230473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45091230473) 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, 7515205077 + ... + 7515205082.

It is an arithmetic number, because the mean of its divisors is an integer number (15030410160).

Almost surely, 2^45091230477 is an apocalyptic number.

It is an amenable number.

45091230477 is a deficient number, since it is larger than the sum of its proper divisors (15030410163).

45091230477 is a wasteful number, since it uses less digits than its factorization.

45091230477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15030410162.

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 45091230477 in words is "forty-five billion, ninety-one million, two hundred thirty thousand, four hundred seventy-seven".