45270899 has 4 divisors (see below), whose sum is σ = 45292464. Its totient is φ = 45249336.

The previous prime is 45270889. The next prime is 45270919. The reversal of 45270899 is 99807254.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45270899 - 2¹² = 45266803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45270809) 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, 7247 + ... + 11960.

It is an arithmetic number, because the mean of its divisors is an integer number (11323116).

Almost surely, 2^45270899 is an apocalyptic number.

45270899 is a deficient number, since it is larger than the sum of its proper divisors (21565).

45270899 is a wasteful number, since it uses less digits than its factorization.

45270899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21564.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 45270899 is about 6728.3652546514. The cubic root of 45270899 is about 356.4016502607.

The spelling of 45270899 in words is "forty-five million, two hundred seventy thousand, eight hundred ninety-nine".