45999251 has 8 divisors (see below), whose sum is σ = 47843520. Its totient is φ = 44186688.

The previous prime is 45999227. The next prime is 45999259. The reversal of 45999251 is 15299954.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45999251 is a prime.

It is a super-2 number, since 2×45999251² = 4231862185122002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45999259) 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, 4946 + ... + 10791.

It is an arithmetic number, because the mean of its divisors is an integer number (5980440).

Almost surely, 2^45999251 is an apocalyptic number.

45999251 is a deficient number, since it is larger than the sum of its proper divisors (1844269).

45999251 is a wasteful number, since it uses less digits than its factorization.

45999251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853.

The product of its digits is 145800, while the sum is 44.

The square root of 45999251 is about 6782.2747658879. The cubic root of 45999251 is about 358.3028423788.

The spelling of 45999251 in words is "forty-five million, nine hundred ninety-nine thousand, two hundred fifty-one".