45303691 has 4 divisors (see below), whose sum is σ = 47968632. Its totient is φ = 42638752.

The previous prime is 45303689. The next prime is 45303697. The reversal of 45303691 is 19630354.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19630354 = 2 ⋅9815177.

It is a cyclic number.

It is not a de Polignac number, because 45303691 - 2¹ = 45303689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45303697) 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, 1332445 + ... + 1332478.

It is an arithmetic number, because the mean of its divisors is an integer number (11992158).

Almost surely, 2^45303691 is an apocalyptic number.

45303691 is a deficient number, since it is larger than the sum of its proper divisors (2664941).

45303691 is a wasteful number, since it uses less digits than its factorization.

45303691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664940.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 45303691 is about 6730.8016610208. The cubic root of 45303691 is about 356.4876827337.

The spelling of 45303691 in words is "forty-five million, three hundred three thousand, six hundred ninety-one".