45231146 has 4 divisors (see below), whose sum is σ = 67846722. Its totient is φ = 22615572.

The previous prime is 45231143. The next prime is 45231149. The reversal of 45231146 is 64113254.

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

It is an interprime number because it is at equal distance from previous prime (45231143) and next prime (45231149).

It can be written as a sum of positive squares in only one way, i.e., 42706225 + 2524921 = 6535^2 + 1589^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45231143) 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, 11307785 + ... + 11307788.

Almost surely, 2^45231146 is an apocalyptic number.

45231146 is a deficient number, since it is larger than the sum of its proper divisors (22615576).

45231146 is a wasteful number, since it uses less digits than its factorization.

45231146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22615575.

The product of its digits is 2880, while the sum is 26.

The square root of 45231146 is about 6725.4104707445. The cubic root of 45231146 is about 356.2972993113.

The spelling of 45231146 in words is "forty-five million, two hundred thirty-one thousand, one hundred forty-six".