145716345 has 48 divisors (see below), whose sum is σ = 260200512. Its totient is φ = 75404160.

The previous prime is 145716313. The next prime is 145716349. The reversal of 145716345 is 543617541.

145716345 is a `hidden beast` number, since 1 + 457 + 163 + 45 = 666.

It is not a de Polignac number, because 145716345 - 2⁵ = 145716313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (145716349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 254910 + ... + 255480.

It is an arithmetic number, because the mean of its divisors is an integer number (5420844).

Almost surely, 2^145716345 is an apocalyptic number.

145716345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145716345 is a deficient number, since it is larger than the sum of its proper divisors (114484167).

145716345 is a wasteful number, since it uses less digits than its factorization.

145716345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742 (or 739 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 145716345 is about 12071.3025394942. The cubic root of 145716345 is about 526.2225116020. Note that the first 3 decimals are identical.

The spelling of 145716345 in words is "one hundred forty-five million, seven hundred sixteen thousand, three hundred forty-five".