45353131 has 4 divisors (see below), whose sum is σ = 45522000. Its totient is φ = 45184264.

The previous prime is 45353111. The next prime is 45353149. The reversal of 45353131 is 13135354.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45353131 - 2¹³ = 45344939 is a prime.

It is a super-2 number, since 2×45353131² = 4113812983006322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45353096 and 45353105.

It is not an unprimeable number, because it can be changed into a prime (45353101) 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 3 ways as a sum of consecutive naturals, for example, 84031 + ... + 84568.

It is an arithmetic number, because the mean of its divisors is an integer number (11380500).

Almost surely, 2^45353131 is an apocalyptic number.

45353131 is a deficient number, since it is larger than the sum of its proper divisors (168869).

45353131 is a wasteful number, since it uses less digits than its factorization.

45353131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168868.

The product of its digits is 2700, while the sum is 25.

The square root of 45353131 is about 6734.4733275884. The cubic root of 45353131 is about 356.6173141407.

Adding to 45353131 its reverse (13135354), we get a palindrome (58488485).

The spelling of 45353131 in words is "forty-five million, three hundred fifty-three thousand, one hundred thirty-one".