45402255 has 32 divisors (see below), whose sum is σ = 83505600. Its totient is φ = 23377536.

The previous prime is 45402251. The next prime is 45402271. The reversal of 45402255 is 55220454.

45402255 is a `hidden beast` number, since 4 + 5 + 402 + 255 = 666.

45402255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45402255 - 2² = 45402251 is a prime.

It is a super-2 number, since 2×45402255² = 4122729518170050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45402251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1884 + ... + 9713.

It is an arithmetic number, because the mean of its divisors is an integer number (2609550).

Almost surely, 2^45402255 is an apocalyptic number.

45402255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

45402255 is a deficient number, since it is larger than the sum of its proper divisors (38103345).

45402255 is a wasteful number, since it uses less digits than its factorization.

45402255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11640 (or 11634 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45402255 is about 6738.1195447988. The cubic root of 45402255 is about 356.7460237236.

The spelling of 45402255 in words is "forty-five million, four hundred two thousand, two hundred fifty-five".