45374949 has 6 divisors (see below), whose sum is σ = 65541606. Its totient is φ = 30249960.

The previous prime is 45374947. The next prime is 45374963. The reversal of 45374949 is 94947354.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 30305025 + 15069924 = 5505^2 + 3882^2 .

It is not a de Polignac number, because 45374949 - 2¹ = 45374947 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45374947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2520822 + ... + 2520839.

It is an arithmetic number, because the mean of its divisors is an integer number (10923601).

Almost surely, 2^45374949 is an apocalyptic number.

It is an amenable number.

45374949 is a deficient number, since it is larger than the sum of its proper divisors (20166657).

45374949 is a wasteful number, since it uses less digits than its factorization.

45374949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5041667 (or 5041664 counting only the distinct ones).

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

The square root of 45374949 is about 6736.0930070776. The cubic root of 45374949 is about 356.6744908562.

The spelling of 45374949 in words is "forty-five million, three hundred seventy-four thousand, nine hundred forty-nine".