45253774 has 4 divisors (see below), whose sum is σ = 67880664. Its totient is φ = 22626886.

The previous prime is 45253751. The next prime is 45253777. The reversal of 45253774 is 47735254.

It is a happy number.

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

It is a super-2 number, since 2×45253774² = 4095808122486152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45253777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11313442 + ... + 11313445.

It is an arithmetic number, because the mean of its divisors is an integer number (16970166).

Almost surely, 2^45253774 is an apocalyptic number.

45253774 is a deficient number, since it is larger than the sum of its proper divisors (22626890).

45253774 is a wasteful number, since it uses less digits than its factorization.

45253774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22626889.

The product of its digits is 117600, while the sum is 37.

The square root of 45253774 is about 6727.0925368988. The cubic root of 45253774 is about 356.3567049194.

The spelling of 45253774 in words is "forty-five million, two hundred fifty-three thousand, seven hundred seventy-four".