145536855 has 16 divisors (see below), whose sum is σ = 233228160. Its totient is φ = 77496608.

The previous prime is 145536829. The next prime is 145536869. The reversal of 145536855 is 558635541.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 145536855 - 2⁵ = 145536823 is a prime.

It is a congruent number.

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, 2524 + ... + 17246.

It is an arithmetic number, because the mean of its divisors is an integer number (14576760).

Almost surely, 2^145536855 is an apocalyptic number.

145536855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145536855 is a deficient number, since it is larger than the sum of its proper divisors (87691305).

145536855 is a wasteful number, since it uses less digits than its factorization.

145536855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390.

The product of its digits is 360000, while the sum is 42.

The square root of 145536855 is about 12063.8656739869. The cubic root of 145536855 is about 526.0063599495.

The spelling of 145536855 in words is "one hundred forty-five million, five hundred thirty-six thousand, eight hundred fifty-five".