45902207 has 4 divisors (see below), whose sum is σ = 49433160. Its totient is φ = 42371256.

The previous prime is 45902191. The next prime is 45902249. The reversal of 45902207 is 70220954.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70220954 = 2 ⋅35110477.

It is a cyclic number.

It is not a de Polignac number, because 45902207 - 2⁴ = 45902191 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 45902207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45902807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765457 + ... + 1765482.

It is an arithmetic number, because the mean of its divisors is an integer number (12358290).

Almost surely, 2^45902207 is an apocalyptic number.

45902207 is a deficient number, since it is larger than the sum of its proper divisors (3530953).

45902207 is a wasteful number, since it uses less digits than its factorization.

45902207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3530952.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 45902207 is about 6775.1167517616. The cubic root of 45902207 is about 358.0506960862.

The spelling of 45902207 in words is "forty-five million, nine hundred two thousand, two hundred seven".