45139895 has 8 divisors (see below), whose sum is σ = 55427856. Its totient is φ = 35271936.

The previous prime is 45139867. The next prime is 45139909. The reversal of 45139895 is 59893154.

45139895 = T₂ + T₃ + ... + T₆₄₆.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45139895 - 2¹⁰ = 45138871 is a prime.

It is a super-2 number, since 2×45139895² = 4075220241222050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104762 + ... + 105191.

It is an arithmetic number, because the mean of its divisors is an integer number (6928482).

Almost surely, 2^45139895 is an apocalyptic number.

45139895 is a deficient number, since it is larger than the sum of its proper divisors (10287961).

45139895 is a wasteful number, since it uses less digits than its factorization.

45139895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210001.

The product of its digits is 194400, while the sum is 44.

The square root of 45139895 is about 6718.6229987997. The cubic root of 45139895 is about 356.0575355184.

The spelling of 45139895 in words is "forty-five million, one hundred thirty-nine thousand, eight hundred ninety-five".