45771961 has 4 divisors (see below), whose sum is σ = 45787392. Its totient is φ = 45756532.

The previous prime is 45771953. The next prime is 45771977. The reversal of 45771961 is 16917754.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45771961 - 2³ = 45771953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45771941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1705 + ... + 9718.

It is an arithmetic number, because the mean of its divisors is an integer number (11446848).

Almost surely, 2^45771961 is an apocalyptic number.

It is an amenable number.

45771961 is a deficient number, since it is larger than the sum of its proper divisors (15431).

45771961 is a wasteful number, since it uses less digits than its factorization.

45771961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15430.

The product of its digits is 52920, while the sum is 40.

The square root of 45771961 is about 6765.4978382969. The cubic root of 45771961 is about 357.7117229243.

The spelling of 45771961 in words is "forty-five million, seven hundred seventy-one thousand, nine hundred sixty-one".