45274238 has 4 divisors (see below), whose sum is σ = 67911360. Its totient is φ = 22637118.

The previous prime is 45274231. The next prime is 45274267. The reversal of 45274238 is 83247254.

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

It is a junction number, because it is equal to n+sod(n) for n = 45274198 and 45274207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45274231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318558 + ... + 11318561.

It is an arithmetic number, because the mean of its divisors is an integer number (16977840).

Almost surely, 2^45274238 is an apocalyptic number.

45274238 is a deficient number, since it is larger than the sum of its proper divisors (22637122).

45274238 is a wasteful number, since it uses less digits than its factorization.

45274238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22637121.

The product of its digits is 53760, while the sum is 35.

The square root of 45274238 is about 6728.6133786985. The cubic root of 45274238 is about 356.4104122975.

The spelling of 45274238 in words is "forty-five million, two hundred seventy-four thousand, two hundred thirty-eight".