45405454 has 8 divisors (see below), whose sum is σ = 68143968. Its totient is φ = 22690800.

The previous prime is 45405449. The next prime is 45405467. The reversal of 45405454 is 45450454.

It is a happy number.

45405454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45405454² = 4123310505892232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22 + ... + 9529.

It is an arithmetic number, because the mean of its divisors is an integer number (8517996).

Almost surely, 2^45405454 is an apocalyptic number.

45405454 is a deficient number, since it is larger than the sum of its proper divisors (22738514).

45405454 is a wasteful number, since it uses less digits than its factorization.

45405454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 45405454 is about 6738.3569213867. The cubic root of 45405454 is about 356.7544021895.

The spelling of 45405454 in words is "forty-five million, four hundred five thousand, four hundred fifty-four".