45915949 has 4 divisors (see below), whose sum is σ = 45929664. Its totient is φ = 45902236.

The previous prime is 45915937. The next prime is 45915973. The reversal of 45915949 is 94951954.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 45915949 - 2¹⁷ = 45784877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45915899 and 45915908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45915979) 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, 1854 + ... + 9760.

It is an arithmetic number, because the mean of its divisors is an integer number (11482416).

Almost surely, 2^45915949 is an apocalyptic number.

It is an amenable number.

45915949 is a deficient number, since it is larger than the sum of its proper divisors (13715).

45915949 is an equidigital number, since it uses as much as digits as its factorization.

45915949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13714.

The product of its digits is 291600, while the sum is 46.

The square root of 45915949 is about 6776.1308281349. The cubic root of 45915949 is about 358.0864230666.

It can be divided in two parts, 45915 and 949, that added together give a palindrome (46864).

The spelling of 45915949 in words is "forty-five million, nine hundred fifteen thousand, nine hundred forty-nine".