45998747 has 4 divisors (see below), whose sum is σ = 46024776. Its totient is φ = 45972720.

The previous prime is 45998741. The next prime is 45998773. The reversal of 45998747 is 74789954.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45998747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45998741) 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, 10154 + ... + 13967.

It is an arithmetic number, because the mean of its divisors is an integer number (11506194).

Almost surely, 2^45998747 is an apocalyptic number.

45998747 is a deficient number, since it is larger than the sum of its proper divisors (26029).

45998747 is a wasteful number, since it uses less digits than its factorization.

45998747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26028.

The product of its digits is 2540160, while the sum is 53.

The square root of 45998747 is about 6782.2376101107. The cubic root of 45998747 is about 358.3015337684.

The spelling of 45998747 in words is "forty-five million, nine hundred ninety-eight thousand, seven hundred forty-seven".