45405502 has 4 divisors (see below), whose sum is σ = 68108256. Its totient is φ = 22702750.

The previous prime is 45405467. The next prime is 45405509. The reversal of 45405502 is 20550454.

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

It is a super-2 number, since 2×45405502² = 4123319223744008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45405509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11351374 + ... + 11351377.

It is an arithmetic number, because the mean of its divisors is an integer number (17027064).

Almost surely, 2^45405502 is an apocalyptic number.

45405502 is a deficient number, since it is larger than the sum of its proper divisors (22702754).

45405502 is a wasteful number, since it uses less digits than its factorization.

45405502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22702753.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 45405502 is about 6738.3604830849. The cubic root of 45405502 is about 356.7545279027.

Adding to 45405502 its reverse (20550454), we get a palindrome (65955956).

The spelling of 45405502 in words is "forty-five million, four hundred five thousand, five hundred two".