45194436 has 60 divisors (see below), whose sum is σ = 135032128. Its totient is φ = 12912048.

The previous prime is 45194431. The next prime is 45194437. The reversal of 45194436 is 63449154.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 45194436.

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 19 ways as a sum of consecutive naturals, for example, 7696 + ... + 12231.

Almost surely, 2^45194436 is an apocalyptic number.

It is an amenable number.

45194436 is an abundant number, since it is smaller than the sum of its proper divisors (89837692).

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

45194436 is a wasteful number, since it uses less digits than its factorization.

45194436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19950 (or 19939 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 45194436 is about 6722.6807153099. The cubic root of 45194436 is about 356.2008818708.

It can be divided in two parts, 45 and 194436, that added together give a 4-th power (194481 = 21⁴).

The spelling of 45194436 in words is "forty-five million, one hundred ninety-four thousand, four hundred thirty-six".