145574345 has 32 divisors (see below), whose sum is σ = 210816000. Its totient is φ = 96347328.

The previous prime is 145574311. The next prime is 145574423. The reversal of 145574345 is 543475541.

It is not a de Polignac number, because 145574345 - 2⁸ = 145574089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145574299 and 145574308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48272 + ... + 51198.

It is an arithmetic number, because the mean of its divisors is an integer number (6588000).

Almost surely, 2^145574345 is an apocalyptic number.

It is an amenable number.

145574345 is a deficient number, since it is larger than the sum of its proper divisors (65241655).

145574345 is an equidigital number, since it uses as much as digits as its factorization.

145574345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2968 counting only the distinct ones).

The product of its digits is 168000, while the sum is 38.

The square root of 145574345 is about 12065.4193876550. The cubic root of 145574345 is about 526.0515221306.

The spelling of 145574345 in words is "one hundred forty-five million, five hundred seventy-four thousand, three hundred forty-five".