45992387 has 8 divisors (see below), whose sum is σ = 54848256. Its totient is φ = 37707912.

The previous prime is 45992383. The next prime is 45992389. The reversal of 45992387 is 78329954.

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 45992387 - 2² = 45992383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45992381) 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, 142673 + ... + 142994.

It is an arithmetic number, because the mean of its divisors is an integer number (6856032).

Almost surely, 2^45992387 is an apocalyptic number.

45992387 is a deficient number, since it is larger than the sum of its proper divisors (8855869).

45992387 is a wasteful number, since it uses less digits than its factorization.

45992387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285697.

The product of its digits is 544320, while the sum is 47.

The square root of 45992387 is about 6781.7687220960. The cubic root of 45992387 is about 358.2850195303.

The spelling of 45992387 in words is "forty-five million, nine hundred ninety-two thousand, three hundred eighty-seven".