145734345 has 12 divisors (see below), whose sum is σ = 252606276. Its totient is φ = 77724960.

The previous prime is 145734341. The next prime is 145734361. The reversal of 145734345 is 543437541.

145734345 is a `hidden beast` number, since 1 + 4 + 573 + 43 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 37491129 + 108243216 = 6123^2 + 10404^2 .

It is not a de Polignac number, because 145734345 - 2² = 145734341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (145734341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1619226 + ... + 1619315.

It is an arithmetic number, because the mean of its divisors is an integer number (21050523).

Almost surely, 2^145734345 is an apocalyptic number.

145734345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145734345 is a deficient number, since it is larger than the sum of its proper divisors (106871931).

145734345 is a wasteful number, since it uses less digits than its factorization.

145734345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238552 (or 3238549 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 145734345 is about 12072.0480863853. The cubic root of 145734345 is about 526.2441783894.

The spelling of 145734345 in words is "one hundred forty-five million, seven hundred thirty-four thousand, three hundred forty-five".