45537201 has 8 divisors (see below), whose sum is σ = 67462560. Its totient is φ = 30358116.

The previous prime is 45537197. The next prime is 45537209. The reversal of 45537201 is 10273554.

It is a happy number.

45537201 is a `hidden beast` number, since 455 + 3 + 7 + 201 = 666.

It is not a de Polignac number, because 45537201 - 2² = 45537197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1686563 = 45537201 / (4 + 5 + 5 + 3 + 7 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (45537209) 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, 843255 + ... + 843308.

It is an arithmetic number, because the mean of its divisors is an integer number (8432820).

Almost surely, 2^45537201 is an apocalyptic number.

It is an amenable number.

45537201 is a deficient number, since it is larger than the sum of its proper divisors (21925359).

45537201 is a wasteful number, since it uses less digits than its factorization.

45537201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686572 (or 1686566 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 45537201 is about 6748.1257397888. The cubic root of 45537201 is about 357.0991180187.

The spelling of 45537201 in words is "forty-five million, five hundred thirty-seven thousand, two hundred one".