45030438 has 16 divisors (see below), whose sum is σ = 100067760. Its totient is φ = 15010128.

The previous prime is 45030431. The next prime is 45030463. The reversal of 45030438 is 83403054.

It is a happy number.

45030438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45030431) 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, 416895 + ... + 417002.

It is an arithmetic number, because the mean of its divisors is an integer number (6254235).

Almost surely, 2^45030438 is an apocalyptic number.

45030438 is an abundant number, since it is smaller than the sum of its proper divisors (55037322).

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

45030438 is a wasteful number, since it uses less digits than its factorization.

45030438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833908 (or 833902 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 45030438 is about 6710.4722635594. The cubic root of 45030438 is about 355.7695084620.

The spelling of 45030438 in words is "forty-five million, thirty thousand, four hundred thirty-eight".