145974527 has 4 divisors (see below), whose sum is σ = 149080416. Its totient is φ = 142868640.

The previous prime is 145974497. The next prime is 145974539. The reversal of 145974527 is 725479541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 145974527 - 2⁸ = 145974271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145976527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552874 + ... + 1552967.

It is an arithmetic number, because the mean of its divisors is an integer number (37270104).

Almost surely, 2^145974527 is an apocalyptic number.

145974527 is a deficient number, since it is larger than the sum of its proper divisors (3105889).

145974527 is an equidigital number, since it uses as much as digits as its factorization.

145974527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3105888.

The product of its digits is 352800, while the sum is 44.

The square root of 145974527 is about 12081.9918473735. The cubic root of 145974527 is about 526.5331173871.

The spelling of 145974527 in words is "one hundred forty-five million, nine hundred seventy-four thousand, five hundred twenty-seven".