45142269 has 8 divisors (see below), whose sum is σ = 60301920. Its totient is φ = 30038736.

The previous prime is 45142267. The next prime is 45142333. The reversal of 45142269 is 96224154.

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

It is not a de Polignac number, because 45142269 - 2¹ = 45142267 is a prime.

It is a super-2 number, since 2×45142269² = 4075648900936722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142267) 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, 12114 + ... + 15395.

It is an arithmetic number, because the mean of its divisors is an integer number (7537740).

Almost surely, 2^45142269 is an apocalyptic number.

It is an amenable number.

45142269 is a deficient number, since it is larger than the sum of its proper divisors (15159651).

45142269 is a wasteful number, since it uses less digits than its factorization.

45142269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28059.

The product of its digits is 17280, while the sum is 33.

The square root of 45142269 is about 6718.7996695838. The cubic root of 45142269 is about 356.0637773419.

The spelling of 45142269 in words is "forty-five million, one hundred forty-two thousand, two hundred sixty-nine".