145141555 has 16 divisors (see below), whose sum is σ = 191933280. Its totient is φ = 104686848.

The previous prime is 145141531. The next prime is 145141561. The reversal of 145141555 is 555141541.

It is a cyclic number.

It is not a de Polignac number, because 145141555 - 2¹¹ = 145139507 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23170 + ... + 28759.

It is an arithmetic number, because the mean of its divisors is an integer number (11995830).

Almost surely, 2^145141555 is an apocalyptic number.

145141555 is a deficient number, since it is larger than the sum of its proper divisors (46791725).

145141555 is a wasteful number, since it uses less digits than its factorization.

145141555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51990.

The product of its digits is 10000, while the sum is 31.

The square root of 145141555 is about 12047.4708964164. The cubic root of 145141555 is about 525.5296906427.

The spelling of 145141555 in words is "one hundred forty-five million, one hundred forty-one thousand, five hundred fifty-five".