145055555 has 8 divisors (see below), whose sum is σ = 178114992. Its totient is φ = 113345568.

The previous prime is 145055539. The next prime is 145055563. The reversal of 145055555 is 555550541.

It is a happy number.

145055555 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 cyclic number.

It is not a de Polignac number, because 145055555 - 2⁴ = 145055539 is a prime.

It is a super-2 number, since 2×145055555² = 42082228072716050, which contains 22 as substring.

It is a Duffinian number.

145055555 is a modest number, since divided by 55555 gives 1450 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337124 + ... + 337553.

It is an arithmetic number, because the mean of its divisors is an integer number (22264374).

Almost surely, 2^145055555 is an apocalyptic number.

145055555 is a deficient number, since it is larger than the sum of its proper divisors (33059437).

145055555 is an equidigital number, since it uses as much as digits as its factorization.

145055555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674725.

The product of its (nonzero) digits is 62500, while the sum is 35.

The square root of 145055555 is about 12043.9011536960. The cubic root of 145055555 is about 525.4258736418.

The spelling of 145055555 in words is "one hundred forty-five million, fifty-five thousand, five hundred fifty-five".