45355545 has 40 divisors (see below), whose sum is σ = 82877256. Its totient is φ = 23721984.

The previous prime is 45355543. The next prime is 45355571. The reversal of 45355545 is 54555354.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 45198729 = 396^2 + 6723^2 .

It is not a de Polignac number, because 45355545 - 2¹ = 45355543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45355543) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20409 + ... + 22521.

Almost surely, 2^45355545 is an apocalyptic number.

45355545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45355545 is a deficient number, since it is larger than the sum of its proper divisors (37521711).

45355545 is a wasteful number, since it uses less digits than its factorization.

45355545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183 (or 2174 counting only the distinct ones).

The product of its digits is 150000, while the sum is 36.

The square root of 45355545 is about 6734.6525522851. The cubic root of 45355545 is about 356.6236412226.

The spelling of 45355545 in words is "forty-five million, three hundred fifty-five thousand, five hundred forty-five".