145868045 has 8 divisors (see below), whose sum is σ = 177654624. Its totient is φ = 114952464.

The previous prime is 145868029. The next prime is 145868069. The reversal of 145868045 is 540868541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 145868045 - 2⁴ = 145868029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 145867993 and 145868011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217379 + ... + 218048.

It is an arithmetic number, because the mean of its divisors is an integer number (22206828).

Almost surely, 2^145868045 is an apocalyptic number.

It is an amenable number.

145868045 is a deficient number, since it is larger than the sum of its proper divisors (31786579).

145868045 is an equidigital number, since it uses as much as digits as its factorization.

145868045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435499.

The product of its (nonzero) digits is 153600, while the sum is 41.

The square root of 145868045 is about 12077.5844025202. The cubic root of 145868045 is about 526.4050586572.

The spelling of 145868045 in words is "one hundred forty-five million, eight hundred sixty-eight thousand, forty-five".