45419537 has 4 divisors (see below), whose sum is σ = 45836340. Its totient is φ = 45002736.

The previous prime is 45419533. The next prime is 45419551. The reversal of 45419537 is 73591454.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28313041 + 17106496 = 5321^2 + 4136^2 .

It is a cyclic number.

It is not a de Polignac number, because 45419537 - 2² = 45419533 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 45419537.

It is not an unprimeable number, because it can be changed into a prime (45419533) 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, 208238 + ... + 208455.

It is an arithmetic number, because the mean of its divisors is an integer number (11459085).

Almost surely, 2^45419537 is an apocalyptic number.

It is an amenable number.

45419537 is a deficient number, since it is larger than the sum of its proper divisors (416803).

45419537 is a wasteful number, since it uses less digits than its factorization.

45419537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416802.

The product of its digits is 75600, while the sum is 38.

The square root of 45419537 is about 6739.4018280557. The cubic root of 45419537 is about 356.7912821415.

It can be divided in two parts, 454 and 19537, that added together give a palindrome (19991).

The spelling of 45419537 in words is "forty-five million, four hundred nineteen thousand, five hundred thirty-seven".