45949961 has 8 divisors (see below), whose sum is σ = 48696000. Its totient is φ = 43236720.

The previous prime is 45949933. The next prime is 45949987. The reversal of 45949961 is 16994954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45949961 - 2¹⁴ = 45933577 is a prime.

It is a super-2 number, since 2×45949961² = 4222797831803042, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45949921) 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 in 7 ways as a sum of consecutive naturals, for example, 5285 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (6087000).

Almost surely, 2^45949961 is an apocalyptic number.

45949961 is the 3032-nd centered decagonal number.

It is an amenable number.

45949961 is a deficient number, since it is larger than the sum of its proper divisors (2746039).

45949961 is a wasteful number, since it uses less digits than its factorization.

45949961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16399.

The product of its digits is 349920, while the sum is 47.

The square root of 45949961 is about 6778.6400553503. The cubic root of 45949961 is about 358.1748181282.

The spelling of 45949961 in words is "forty-five million, nine hundred forty-nine thousand, nine hundred sixty-one".