45399282 has 16 divisors (see below), whose sum is σ = 96139872. Its totient is φ = 14242880.

The previous prime is 45399281. The next prime is 45399287. The reversal of 45399282 is 28299354.

It is a super-2 number, since 2×45399282² = 4122189612231048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45399281) 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, 222444 + ... + 222647.

It is an arithmetic number, because the mean of its divisors is an integer number (6008742).

Almost surely, 2^45399282 is an apocalyptic number.

45399282 is an abundant number, since it is smaller than the sum of its proper divisors (50740590).

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

45399282 is a wasteful number, since it uses less digits than its factorization.

45399282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445113.

The product of its digits is 155520, while the sum is 42.

The square root of 45399282 is about 6737.8989306756. The cubic root of 45399282 is about 356.7382368191.

The spelling of 45399282 in words is "forty-five million, three hundred ninety-nine thousand, two hundred eighty-two".