145674765 has 12 divisors (see below), whose sum is σ = 252503004. Its totient is φ = 77693184.

The previous prime is 145674733. The next prime is 145674787. The reversal of 145674765 is 567476541.

145674765 is a `hidden beast` number, since 14 + 567 + 4 + 76 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 38303721 + 107371044 = 6189^2 + 10362^2 .

It is not a de Polignac number, because 145674765 - 2⁵ = 145674733 is a prime.

It is a super-2 number, since 2×145674765² = 42442274315610450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3237217 = 145674765 / (1 + 4 + 5 + 6 + 7 + 4 + 7 + 6 + 5).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 145674765.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1618564 + ... + 1618653.

It is an arithmetic number, because the mean of its divisors is an integer number (21041917).

Almost surely, 2^145674765 is an apocalyptic number.

145674765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

145674765 is a deficient number, since it is larger than the sum of its proper divisors (106828239).

145674765 is a wasteful number, since it uses less digits than its factorization.

145674765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3237228 (or 3237225 counting only the distinct ones).

The product of its digits is 705600, while the sum is 45.

The square root of 145674765 is about 12069.5801501129. The cubic root of 145674765 is about 526.1724545007.

The spelling of 145674765 in words is "one hundred forty-five million, six hundred seventy-four thousand, seven hundred sixty-five".