145575527 has 8 divisors (see below), whose sum is σ = 147210480. Its totient is φ = 143946880.

The previous prime is 145575503. The next prime is 145575541. The reversal of 145575527 is 725575541.

It is a happy number.

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 145575527 - 2⁸ = 145575271 is a prime.

It is a super-2 number, since 2×145575527² = 42384468122655458, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145575557) 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, 56252 + ... + 58782.

It is an arithmetic number, because the mean of its divisors is an integer number (18401310).

Almost surely, 2^145575527 is an apocalyptic number.

145575527 is a deficient number, since it is larger than the sum of its proper divisors (1634953).

145575527 is a wasteful number, since it uses less digits than its factorization.

145575527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153.

The product of its digits is 245000, while the sum is 41.

The square root of 145575527 is about 12065.4683705192. The cubic root of 145575527 is about 526.0529458962.

The spelling of 145575527 in words is "one hundred forty-five million, five hundred seventy-five thousand, five hundred twenty-seven".