45195940 has 24 divisors (see below), whose sum is σ = 97228152. Its totient is φ = 17637120.

The previous prime is 45195919. The next prime is 45195971. The reversal of 45195940 is 4959154.

45195940 = T₄₇₉ + T₄₈₀ + ... + T₇₂₄.

It can be written as a sum of positive squares in 4 ways, for example, as 5354596 + 39841344 = 2314^2 + 6312^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45195940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26739 + ... + 28378.

It is an arithmetic number, because the mean of its divisors is an integer number (4051173).

Almost surely, 2^45195940 is an apocalyptic number.

It is an amenable number.

45195940 is an abundant number, since it is smaller than the sum of its proper divisors (52032212).

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

45195940 is a wasteful number, since it uses less digits than its factorization.

45195940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55167 (or 55165 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 45195940 is about 6722.7925745184. The cubic root of 45195940 is about 356.2048330960.

The spelling of 45195940 in words is "forty-five million, one hundred ninety-five thousand, nine hundred forty".