45500491 has 4 divisors (see below), whose sum is σ = 46730272. Its totient is φ = 44270712.

The previous prime is 45500471. The next prime is 45500501. The reversal of 45500491 is 19400554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45500491 - 2¹³ = 45492299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45500431) 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, 614835 + ... + 614908.

It is an arithmetic number, because the mean of its divisors is an integer number (11682568).

Almost surely, 2^45500491 is an apocalyptic number.

45500491 is a deficient number, since it is larger than the sum of its proper divisors (1229781).

45500491 is a wasteful number, since it uses less digits than its factorization.

45500491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229780.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 45500491 is about 6745.4051768593. The cubic root of 45500491 is about 357.0031332520.

The spelling of 45500491 in words is "forty-five million, five hundred thousand, four hundred ninety-one".