45121351 has 8 divisors (see below), whose sum is σ = 49958784. Its totient is φ = 40406520.

The previous prime is 45121343. The next prime is 45121379. The reversal of 45121351 is 15312154.

It is a happy number.

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

It is not a de Polignac number, because 45121351 - 2³ = 45121343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45121381) 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, 29875 + ... + 31348.

It is an arithmetic number, because the mean of its divisors is an integer number (6244848).

Almost surely, 2^45121351 is an apocalyptic number.

45121351 is a deficient number, since it is larger than the sum of its proper divisors (4837433).

45121351 is a wasteful number, since it uses less digits than its factorization.

45121351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61301.

The product of its digits is 600, while the sum is 22.

The square root of 45121351 is about 6717.2428123450. The cubic root of 45121351 is about 356.0087712984.

The spelling of 45121351 in words is "forty-five million, one hundred twenty-one thousand, three hundred fifty-one".