45145319149 has 32 divisors (see below), whose sum is σ = 55493222400. Its totient is φ = 35888130432.

The previous prime is 45145319137. The next prime is 45145319161. The reversal of 45145319149 is 94191354154.

It is an interprime number because it is at equal distance from previous prime (45145319137) and next prime (45145319161).

It is not a de Polignac number, because 45145319149 - 2¹⁹ = 45144794861 is a prime.

It is a super-3 number, since 3×45145319149³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45145319099 and 45145319108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45145319129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 924652 + ... + 972250.

It is an arithmetic number, because the mean of its divisors is an integer number (1734163200).

Almost surely, 2^45145319149 is an apocalyptic number.

It is an amenable number.

45145319149 is a deficient number, since it is larger than the sum of its proper divisors (10347903251).

45145319149 is a wasteful number, since it uses less digits than its factorization.

45145319149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47809.

The product of its digits is 388800, while the sum is 46.

The spelling of 45145319149 in words is "forty-five billion, one hundred forty-five million, three hundred nineteen thousand, one hundred forty-nine".