145787845 has 32 divisors (see below), whose sum is σ = 206224128. Its totient is φ = 96864768.

The previous prime is 145787839. The next prime is 145787857. The reversal of 145787845 is 548787541.

It is not a de Polignac number, because 145787845 - 2⁵ = 145787813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235977 + ... + 236593.

It is an arithmetic number, because the mean of its divisors is an integer number (6444504).

Almost surely, 2^145787845 is an apocalyptic number.

It is an amenable number.

145787845 is a deficient number, since it is larger than the sum of its proper divisors (60436283).

145787845 is a wasteful number, since it uses less digits than its factorization.

145787845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829.

The product of its digits is 1254400, while the sum is 49.

The square root of 145787845 is about 12074.2637456700. The cubic root of 145787845 is about 526.3085663667.

The spelling of 145787845 in words is "one hundred forty-five million, seven hundred eighty-seven thousand, eight hundred forty-five".