45102254 has 4 divisors (see below), whose sum is σ = 67653384. Its totient is φ = 22551126.

The previous prime is 45102251. The next prime is 45102269. The reversal of 45102254 is 45220154.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45102251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275562 + ... + 11275565.

It is an arithmetic number, because the mean of its divisors is an integer number (16913346).

Almost surely, 2^45102254 is an apocalyptic number.

45102254 is a deficient number, since it is larger than the sum of its proper divisors (22551130).

45102254 is a wasteful number, since it uses less digits than its factorization.

45102254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22551129.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 45102254 is about 6715.8211709366. The cubic root of 45102254 is about 355.9585389160.

The spelling of 45102254 in words is "forty-five million, one hundred two thousand, two hundred fifty-four".