145501827 has 8 divisors (see below), whose sum is σ = 205414416. Its totient is φ = 91295232.

The previous prime is 145501819. The next prime is 145501891. The reversal of 145501827 is 728105541.

145501827 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 145501827 - 2³ = 145501819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145501627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426438 + ... + 1426539.

It is an arithmetic number, because the mean of its divisors is an integer number (25676802).

Almost surely, 2^145501827 is an apocalyptic number.

145501827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

145501827 is a deficient number, since it is larger than the sum of its proper divisors (59912589).

145501827 is a wasteful number, since it uses less digits than its factorization.

145501827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852997.

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 145501827 is about 12062.4138131636. The cubic root of 145501827 is about 525.9641565980.

The spelling of 145501827 in words is "one hundred forty-five million, five hundred one thousand, eight hundred twenty-seven".