45209550400251 has 8 divisors (see below), whose sum is σ = 60754041483264. Its totient is φ = 29902379792040.

The previous prime is 45209550400243. The next prime is 45209550400291. The reversal of 45209550400251 is 15200405590254.

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

It is not a de Polignac number, because 45209550400251 - 2³ = 45209550400243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45209550400211) 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, 59330118255 + ... + 59330119016.

It is an arithmetic number, because the mean of its divisors is an integer number (7594255185408).

Almost surely, 2^{45209550400251} is an apocalyptic number.

45209550400251 is a deficient number, since it is larger than the sum of its proper divisors (15544491083013).

45209550400251 is a wasteful number, since it uses less digits than its factorization.

45209550400251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118660237401.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 45209550400251 in words is "forty-five trillion, two hundred nine billion, five hundred fifty million, four hundred thousand, two hundred fifty-one".