45194430 has 32 divisors (see below), whose sum is σ = 108720000. Its totient is φ = 12023712.

The previous prime is 45194393. The next prime is 45194431. The reversal of 45194430 is 3449154.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45194431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13461 + ... + 16479.

It is an arithmetic number, because the mean of its divisors is an integer number (3397500).

Almost surely, 2^45194430 is an apocalyptic number.

45194430 is an abundant number, since it is smaller than the sum of its proper divisors (63525570).

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

45194430 is a wasteful number, since it uses less digits than its factorization.

45194430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 45194430 is about 6722.6802690594. The cubic root of 45194430 is about 356.2008661077.

The spelling of 45194430 in words is "forty-five million, one hundred ninety-four thousand, four hundred thirty".