45381995 has 4 divisors (see below), whose sum is σ = 54458400. Its totient is φ = 36305592.

The previous prime is 45381979. The next prime is 45381997. The reversal of 45381995 is 59918354.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59918354 = 2 ⋅29959177.

It is a cyclic number.

It is not a de Polignac number, because 45381995 - 2⁴ = 45381979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45381997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4538195 + ... + 4538204.

It is an arithmetic number, because the mean of its divisors is an integer number (13614600).

Almost surely, 2^45381995 is an apocalyptic number.

45381995 is a deficient number, since it is larger than the sum of its proper divisors (9076405).

45381995 is an equidigital number, since it uses as much as digits as its factorization.

45381995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076404.

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

The square root of 45381995 is about 6736.6159902432. The cubic root of 45381995 is about 356.6929518385.

The spelling of 45381995 in words is "forty-five million, three hundred eighty-one thousand, nine hundred ninety-five".