45437949 has 32 divisors (see below), whose sum is σ = 73958400. Its totient is φ = 27442800.

The previous prime is 45437939. The next prime is 45437969. The reversal of 45437949 is 94973454.

It is a happy number.

It is not a de Polignac number, because 45437949 - 2¹³ = 45429757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45437939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9874 + ... + 13724.

It is an arithmetic number, because the mean of its divisors is an integer number (2311200).

Almost surely, 2^45437949 is an apocalyptic number.

It is an amenable number.

45437949 is a deficient number, since it is larger than the sum of its proper divisors (28520451).

45437949 is a wasteful number, since it uses less digits than its factorization.

45437949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3902 (or 3896 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 45437949 is about 6740.7676862506. The cubic root of 45437949 is about 356.8394871949.

The spelling of 45437949 in words is "forty-five million, four hundred thirty-seven thousand, nine hundred forty-nine".