45300251 has 4 divisors (see below), whose sum is σ = 45443472. Its totient is φ = 45157032.

The previous prime is 45300221. The next prime is 45300263. The reversal of 45300251 is 15200354.

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

It is a cyclic number.

It is not a de Polignac number, because 45300251 - 2⁶ = 45300187 is a prime.

It is a super-2 number, since 2×45300251² = 4104225481326002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45300221) 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, 71135 + ... + 71768.

It is an arithmetic number, because the mean of its divisors is an integer number (11360868).

Almost surely, 2^45300251 is an apocalyptic number.

45300251 is a deficient number, since it is larger than the sum of its proper divisors (143221).

45300251 is a wasteful number, since it uses less digits than its factorization.

45300251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143220.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 45300251 is about 6730.5461145438. The cubic root of 45300251 is about 356.4786595641.

The spelling of 45300251 in words is "forty-five million, three hundred thousand, two hundred fifty-one".