45277240 has 32 divisors (see below), whose sum is σ = 102070080. Its totient is φ = 18076032.

The previous prime is 45277231. The next prime is 45277241. The reversal of 45277240 is 4277254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45277241) by changing a digit.

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, 33457 + ... + 34783.

It is an arithmetic number, because the mean of its divisors is an integer number (3189690).

Almost surely, 2^45277240 is an apocalyptic number.

45277240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45277240 is an abundant number, since it is smaller than the sum of its proper divisors (56792840).

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

45277240 is a wasteful number, since it uses less digits than its factorization.

45277240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191 (or 2187 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 45277240 is about 6728.8364521662. The cubic root of 45277240 is about 356.4182896280.

The spelling of 45277240 in words is "forty-five million, two hundred seventy-seven thousand, two hundred forty".