45032029 has 6 divisors (see below), whose sum is σ = 52384254. Its totient is φ = 38598840.

The previous prime is 45032011. The next prime is 45032047. The reversal of 45032029 is 92023054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45032011) and next prime (45032047).

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 4008004 = 6405^2 + 2002^2 .

It is not a de Polignac number, because 45032029 - 2¹⁵ = 44999261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45031994 and 45032012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45032059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 459462 + ... + 459559.

It is an arithmetic number, because the mean of its divisors is an integer number (8730709).

Almost surely, 2^45032029 is an apocalyptic number.

45032029 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

45032029 is a deficient number, since it is larger than the sum of its proper divisors (7352225).

45032029 is an equidigital number, since it uses as much as digits as its factorization.

45032029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919035 (or 919028 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 45032029 is about 6710.5908085652. The cubic root of 45032029 is about 355.7736983881.

Subtracting 45032029 from its reverse (92023054), we obtain a square (46991025 = 6855²).

The spelling of 45032029 in words is "forty-five million, thirty-two thousand, twenty-nine".