45887906 has 4 divisors (see below), whose sum is σ = 68831862. Its totient is φ = 22943952.

The previous prime is 45887893. The next prime is 45887909. The reversal of 45887906 is 60978854.

45887906 = 1950² + 1951² + ... + 1961².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60978854 = 2 ⋅30489427.

It can be written as a sum of positive squares in only one way, i.e., 36493681 + 9394225 = 6041^2 + 3065^2 .

It is not an unprimeable number, because it can be changed into a prime (45887909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11471975 + ... + 11471978.

Almost surely, 2^45887906 is an apocalyptic number.

45887906 is a deficient number, since it is larger than the sum of its proper divisors (22943956).

45887906 is a wasteful number, since it uses less digits than its factorization.

45887906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22943955.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 45887906 is about 6774.0612633781. The cubic root of 45887906 is about 358.0135082239.

The spelling of 45887906 in words is "forty-five million, eight hundred eighty-seven thousand, nine hundred six".