45047899 has 8 divisors (see below), whose sum is σ = 48672512. Its totient is φ = 41446080.

The previous prime is 45047881. The next prime is 45047921. The reversal of 45047899 is 99874054.

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

It is a de Polignac number, because none of the positive numbers 2^k-45047899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45047819) 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, 1467 + ... + 9604.

It is an arithmetic number, because the mean of its divisors is an integer number (6084064).

Almost surely, 2^45047899 is an apocalyptic number.

45047899 is a deficient number, since it is larger than the sum of its proper divisors (3624613).

45047899 is a wasteful number, since it uses less digits than its factorization.

45047899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11397.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 45047899 is about 6711.7731636282. The cubic root of 45047899 is about 355.8154869075.

It can be divided in two parts, 4504 and 7899, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 45047899 in words is "forty-five million, forty-seven thousand, eight hundred ninety-nine".