1914528285 has 32 divisors (see below), whose sum is σ = 3438718080. Its totient is φ = 1010548224.

The previous prime is 1914528281. The next prime is 1914528289. The reversal of 1914528285 is 5828254191.

1914528285 is a `hidden beast` number, since 191 + 452 + 8 + 2 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1914528281) and next prime (1914528289).

It is not a de Polignac number, because 1914528285 - 2² = 1914528281 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1914528285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1914528281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60007 + ... + 86196.

It is an arithmetic number, because the mean of its divisors is an integer number (107459940).

Almost surely, 2^1914528285 is an apocalyptic number.

1914528285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1914528285 is a deficient number, since it is larger than the sum of its proper divisors (1524189795).

1914528285 is a wasteful number, since it uses less digits than its factorization.

1914528285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146314 (or 146308 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 1914528285 is about 43755.3229333301. The cubic root of 1914528285 is about 1241.7111921534.

The spelling of 1914528285 in words is "one billion, nine hundred fourteen million, five hundred twenty-eight thousand, two hundred eighty-five".