45276949 has 4 divisors (see below), whose sum is σ = 47245536. Its totient is φ = 43308364.

The previous prime is 45276947. The next prime is 45276971. The reversal of 45276949 is 94967254.

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 an emirpimes, since its reverse is a distinct semiprime: 94967254 = 2 ⋅47483627.

It is a cyclic number.

It is not a de Polignac number, because 45276949 - 2¹ = 45276947 is a prime.

It is a super-2 number, since 2×45276949² = 4100004221497202, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45276899 and 45276908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45276947) 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, 984259 + ... + 984304.

It is an arithmetic number, because the mean of its divisors is an integer number (11811384).

Almost surely, 2^45276949 is an apocalyptic number.

It is an amenable number.

45276949 is a deficient number, since it is larger than the sum of its proper divisors (1968587).

45276949 is a wasteful number, since it uses less digits than its factorization.

45276949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968586.

The product of its digits is 544320, while the sum is 46.

The square root of 45276949 is about 6728.8148287793. The cubic root of 45276949 is about 356.4175260513.

It can be divided in two parts, 45276 and 949, that multiplied together give a palindrome (42966924).

The spelling of 45276949 in words is "forty-five million, two hundred seventy-six thousand, nine hundred forty-nine".