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145980675 = 3252648803
BaseRepresentation
bin10001011001101…
…11110100000011
3101011200120211200
420230313310003
5244332340200
622252512243
73421546431
oct1054676403
9334616750
10145980675
1175447495
1240a7b683
13243225c9
141555dd51
15cc38800
hex8b37d03

145980675 has 18 divisors (see below), whose sum is σ = 261468012. Its totient is φ = 77856240.

The previous prime is 145980671. The next prime is 145980677. The reversal of 145980675 is 576089541.

145980675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 145980675 - 22 = 145980671 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 145980675.

It is not an unprimeable number, because it can be changed into a prime (145980671) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 324177 + ... + 324626.

Almost surely, 2145980675 is an apocalyptic number.

145980675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145980675 is a deficient number, since it is larger than the sum of its proper divisors (115487337).

145980675 is a wasteful number, since it uses less digits than its factorization.

145980675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648819 (or 648811 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 145980675 is about 12082.2462729411. The cubic root of 145980675 is about 526.5405092707.

The spelling of 145980675 in words is "one hundred forty-five million, nine hundred eighty thousand, six hundred seventy-five".

Divisors: 1 3 5 9 15 25 45 75 225 648803 1946409 3244015 5839227 9732045 16220075 29196135 48660225 145980675