45491910 has 16 divisors (see below), whose sum is σ = 109180656. Its totient is φ = 12131168.

The previous prime is 45491903. The next prime is 45491917. The reversal of 45491910 is 1919454.

45491910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45491903) and next prime (45491917).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45491917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758169 + ... + 758228.

It is an arithmetic number, because the mean of its divisors is an integer number (6823791).

Almost surely, 2^45491910 is an apocalyptic number.

45491910 is an abundant number, since it is smaller than the sum of its proper divisors (63688746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45491910 is a wasteful number, since it uses less digits than its factorization.

45491910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516407.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 45491910 is about 6744.7690842608. The cubic root of 45491910 is about 356.9806892708.

The spelling of 45491910 in words is "forty-five million, four hundred ninety-one thousand, nine hundred ten".