45774021 has 8 divisors (see below), whose sum is σ = 64244320. Its totient is φ = 28909872.

The previous prime is 45774017. The next prime is 45774031. The reversal of 45774021 is 12047754.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45774021 - 2² = 45774017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45774021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45774031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401470 + ... + 401583.

It is an arithmetic number, because the mean of its divisors is an integer number (8030540).

Almost surely, 2^45774021 is an apocalyptic number.

It is an amenable number.

45774021 is a deficient number, since it is larger than the sum of its proper divisors (18470299).

45774021 is a wasteful number, since it uses less digits than its factorization.

45774021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803075.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 45774021 is about 6765.6500796302. The cubic root of 45774021 is about 357.7170892015.

The spelling of 45774021 in words is "forty-five million, seven hundred seventy-four thousand, twenty-one".