45235244497 has 4 divisors (see below), whose sum is σ = 45242187876. Its totient is φ = 45228301120.

The previous prime is 45235244489. The next prime is 45235244539. The reversal of 45235244497 is 79444253254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79444253254 = 2 ⋅39722126627.

It can be written as a sum of positive squares in 2 ways, for example, as 21097272001 + 24137972496 = 145249^2 + 155364^2 .

It is a cyclic number.

It is not a de Polignac number, because 45235244497 - 2³ = 45235244489 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45235244497.

It is not an unprimeable number, because it can be changed into a prime (45235244797) 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, 3461908 + ... + 3474949.

It is an arithmetic number, because the mean of its divisors is an integer number (11310546969).

Almost surely, 2^45235244497 is an apocalyptic number.

It is an amenable number.

45235244497 is a deficient number, since it is larger than the sum of its proper divisors (6943379).

45235244497 is an equidigital number, since it uses as much as digits as its factorization.

45235244497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6943378.

The product of its digits is 4838400, while the sum is 49.

The spelling of 45235244497 in words is "forty-five billion, two hundred thirty-five million, two hundred forty-four thousand, four hundred ninety-seven".