45251401 has 4 divisors (see below), whose sum is σ = 48732292. Its totient is φ = 41770512.

The previous prime is 45251387. The next prime is 45251411. The reversal of 45251401 is 10415254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 21631801 + 23619600 = 4651^2 + 4860^2 .

It is a cyclic number.

It is not a de Polignac number, because 45251401 - 2⁷ = 45251273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45251411) 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, 1740426 + ... + 1740451.

It is an arithmetic number, because the mean of its divisors is an integer number (12183073).

Almost surely, 2^45251401 is an apocalyptic number.

It is an amenable number.

45251401 is a deficient number, since it is larger than the sum of its proper divisors (3480891).

45251401 is a wasteful number, since it uses less digits than its factorization.

45251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480890.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 45251401 is about 6726.9161582407. The cubic root of 45251401 is about 356.3504759786.

Adding to 45251401 its reverse (10415254), we get a palindrome (55666655).

The spelling of 45251401 in words is "forty-five million, two hundred fifty-one thousand, four hundred one".